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Deck 7: Rational Expressions and Equations
Full screen (f)
Question
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
-
A) 3
B)
C)
D)
-
A) 3
B)
C)
D)
Question
Find all numbers for which the rational expression is not defined.
A) None
B) a = 9
C) a = -9
D) a = 0
A) None
B) a = 9
C) a = -9
D) a = 0
Question
Find all numbers for which the rational expression is not defined.
A) b = 0
B) None
C) b = -8
D) b = 8
A) b = 0
B) None
C) b = -8
D) b = 8
Question
Find all numbers for which the rational expression is not defined.
A) x = 0
B) x = 9 and x = -9
C) x = -3 and x = -4
D) x = 3 and x = 4
A) x = 0
B) x = 9 and x = -9
C) x = -3 and x = -4
D) x = 3 and x = 4
Question
Simplify.
A)
B)
C)
D) 2mp
A)
B)
C)
D) 2mp
Question
Find all numbers for which the rational expression is not defined.
A) None
B) c = 7
C) c = -7
D) c = 0
A) None
B) c = 7
C) c = -7
D) c = 0
Question
Find all numbers for which the rational expression is not defined.
A) b = 24
B) b = 0
C) b = 4
D) b = -6
A) b = 24
B) b = 0
C) b = 4
D) b = -6
Question
Simplify.
A)
B) 10
C) 3k
D)
A)
B) 10
C) 3k
D)
Question
Find all numbers for which the rational expression is not defined.
A)
B) y = 4
C) y = 4 and y = -4
D) y = 16
A)
B) y = 4
C) y = 4 and y = -4
D) y = 16
Question
Simplify.
A) 2
B) 10x - 10
C) -2
D) 5x - 5
A) 2
B) 10x - 10
C) -2
D) 5x - 5
Question
Find all numbers for which the rational expression is not defined.
A) x = -4 and x = 6
B) x = 4 and x = -4
C) x = 4 and x = -6
D) x = 0
A) x = -4 and x = 6
B) x = 4 and x = -4
C) x = 4 and x = -6
D) x = 0
Question
Find all numbers for which the rational expression is not defined.
A) x = -5 and x = 7
B) x = 5 and x = -5
C) x = 5 and x = -7
D) x = 0
A) x = -5 and x = 7
B) x = 5 and x = -5
C) x = 5 and x = -7
D) x = 0
Question
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find all numbers for which the rational expression is not defined.
A) d = 2, 5
B) d = -2
C) d = 2
D) None
A) d = 2, 5
B) d = -2
C) d = 2
D) None
Question
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C) 5x + 1
D)
A)
B)
C) 5x + 1
D)
Question
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B) 4z
C)
D)
A)
B) 4z
C)
D)
Question
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Divide and simplify.
A)
B) 1
C)
D) -1
A)
B) 1
C)
D) -1
Question
Find the LCM.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
Question
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the LCM.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Divide and simplify.
A)
B)
C) z - 4
D)
A)
B)
C) z - 4
D)
Question
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add, first finding the LCD. Simplify, if possible.
1
A)
B)
C)
D)
1
A)
B)
C)
D)
Question
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Question
Divide and simplify.
A) 2
B)
C) -2
D) -4
A) 2
B)
C) -2
D) -4
Question
Question
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Question
Question
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Divide and simplify.
A) z + 2
B)
C)
D)
A) z + 2
B)
C)
D)
Question
Divide and simplify.
A) 7
B)
C)
D)
A) 7
B)
C)
D)
Question
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A) m - 3
B)
C) m + 6
D) m - 6
A) m - 3
B)
C) m + 6
D) m - 6
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Question
Find the LCM.
+ 11x + 30 , 5 x + 25
A) 5 (x - 6 )(x - 5 )
B) 5 (x + 6 )(x + 5 )
C) 5 (x - 6 )(x + 5 )
D) 5 (x + 6 )(x - 5 )
+ 11x + 30 , 5 x + 25A) 5 (x - 6 )(x - 5 )
B) 5 (x + 6 )(x + 5 )
C) 5 (x - 6 )(x + 5 )
D) 5 (x + 6 )(x - 5 )
Question
Find the LCM.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
Question
Find the LCM.
n , 9 + n , 9 - n
A)
B)
C) n + 9
D) n(9 + n)( 9 - n)
n , 9 + n , 9 - n
A)
B)
C) n + 9
D) n(9 + n)( 9 - n)
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the LCM.
A)
B)
C) 8 a - 6
D) 8 a(a - 6 )
A)
B)
C) 8 a - 6
D) 8 a(a - 6 )
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Find the LCM.
A) r(r + 8 )
B) r(r + 1)(r + 8 )
C)
D)
A) r(r + 8 )
B) r(r + 1)(r + 8 )
C)
D)
Question
Add. Simplify, if possible.
A) 5
B)
C)
D)
A) 5
B)
C)
D)
Question
Add. Simplify, if possible.
A)
B)
C)
D) 1
A)
B)
C)
D) 1
Question
Add. Simplify, if possible.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Question
Add. Simplify, if possible.
A) 4
B)
C)
D)
A) 4
B)
C)
D)
Question
Find the LCM.
A) m(x + 1 )(m - 4 )
B)
C)
D) m(m - 3 )(m - 4 )
A) m(x + 1 )(m - 4 )
B)
C)
D) m(m - 3 )(m - 4 )
Question
Find the LCM.
+ 9 x + 20, x2 + 2 x - 8
A) (x - 5 )(x - 4 )(x - 2 )
B) (x + 4 )(x - 2 )
C) (x + 5 )(x + 4 )
D) (x + 5 )(x + 4 )(x - 2 )
+ 9 x + 20, x2 + 2 x - 8A) (x - 5 )(x - 4 )(x - 2 )
B) (x + 4 )(x - 2 )
C) (x + 5 )(x + 4 )
D) (x + 5 )(x + 4 )(x - 2 )
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Full screen (f)
Deck 7: Rational Expressions and Equations
1
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
A
2
Simplify.
-
A) 3
B)
C)
D)
-
A) 3
B)
C)
D)
3
Find all numbers for which the rational expression is not defined.
A) None
B) a = 9
C) a = -9
D) a = 0
A) None
B) a = 9
C) a = -9
D) a = 0
B
4
Find all numbers for which the rational expression is not defined.
A) b = 0
B) None
C) b = -8
D) b = 8
A) b = 0
B) None
C) b = -8
D) b = 8
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5
Find all numbers for which the rational expression is not defined.
A) x = 0
B) x = 9 and x = -9
C) x = -3 and x = -4
D) x = 3 and x = 4
A) x = 0
B) x = 9 and x = -9
C) x = -3 and x = -4
D) x = 3 and x = 4
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6
Simplify.
A)
B)
C)
D) 2mp
A)
B)
C)
D) 2mp
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7
Find all numbers for which the rational expression is not defined.
A) None
B) c = 7
C) c = -7
D) c = 0
A) None
B) c = 7
C) c = -7
D) c = 0
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8
Find all numbers for which the rational expression is not defined.
A) b = 24
B) b = 0
C) b = 4
D) b = -6
A) b = 24
B) b = 0
C) b = 4
D) b = -6
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9
Simplify.
A)
B) 10
C) 3k
D)
A)
B) 10
C) 3k
D)
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10
Find all numbers for which the rational expression is not defined.
A)
B) y = 4
C) y = 4 and y = -4
D) y = 16
A)
B) y = 4
C) y = 4 and y = -4
D) y = 16
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11
Simplify.
A) 2
B) 10x - 10
C) -2
D) 5x - 5
A) 2
B) 10x - 10
C) -2
D) 5x - 5
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12
Find all numbers for which the rational expression is not defined.
A) x = -4 and x = 6
B) x = 4 and x = -4
C) x = 4 and x = -6
D) x = 0
A) x = -4 and x = 6
B) x = 4 and x = -4
C) x = 4 and x = -6
D) x = 0
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13
Find all numbers for which the rational expression is not defined.
A) x = -5 and x = 7
B) x = 5 and x = -5
C) x = 5 and x = -7
D) x = 0
A) x = -5 and x = 7
B) x = 5 and x = -5
C) x = 5 and x = -7
D) x = 0
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14
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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15
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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16
Find all numbers for which the rational expression is not defined.
A) d = 2, 5
B) d = -2
C) d = 2
D) None
A) d = 2, 5
B) d = -2
C) d = 2
D) None
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17
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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18
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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19
Simplify.
A)
B)
C) 5x + 1
D)
A)
B)
C) 5x + 1
D)
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20
Multiply. Do not simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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21
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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22
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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23
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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24
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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25
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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26
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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27
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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Unlock Deck
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28
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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29
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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30
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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Unlock Deck
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31
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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32
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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33
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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34
Simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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35
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
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Unlock Deck
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36
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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Unlock Deck
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37
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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38
Multiply and, if possible, simplify.
A)
B) 4z
C)
D)
A)
B) 4z
C)
D)
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39
Find the reciprocal.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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Unlock Deck
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40
Multiply and, if possible, simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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Unlock Deck
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41
Divide and simplify.
A)
B) 1
C)
D) -1
A)
B) 1
C)
D) -1
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42
Find the LCM.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
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Unlock Deck
k this deck
43
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
44
Find the LCM.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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Unlock Deck
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45
Divide and simplify.
A)
B)
C) z - 4
D)
A)
B)
C) z - 4
D)
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Unlock Deck
k this deck
46
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
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Unlock Deck
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47
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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48
Add, first finding the LCD. Simplify, if possible.
1
A)
B)
C)
D)
1
A)
B)
C)
D)
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49
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
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50
Find the LCM.
10, 12, 30
A) 30
B) 60
C) 12
D) 20
10, 12, 30
A) 30
B) 60
C) 12
D) 20
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51
Divide and simplify.
A) 2
B)
C) -2
D) -4
A) 2
B)
C) -2
D) -4
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52
Find the LCM.
54, 12
A) 54
B) 18
C) 36
D) 108
54, 12
A) 54
B) 18
C) 36
D) 108
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Unlock Deck
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53
Add, first finding the LCD. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
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Unlock Deck
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54
Find the LCM.
30, 18, 15
A) 45
B) 30
C) 18
D) 90
30, 18, 15
A) 45
B) 30
C) 18
D) 90
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
55
Find the LCM.
500, 900, 450
A) 1500
B) 2250
C) 4500
D) 900
500, 900, 450
A) 1500
B) 2250
C) 4500
D) 900
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
56
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
57
Divide and simplify.
A) z + 2
B)
C)
D)
A) z + 2
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
58
Divide and simplify.
A) 7
B)
C)
D)
A) 7
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
59
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
60
Divide and simplify.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
61
Add. Simplify, if possible.
A) m - 3
B)
C) m + 6
D) m - 6
A) m - 3
B)
C) m + 6
D) m - 6
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
62
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
63
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
64
Find the LCM.
t , t - 7
A) t(t - 7 )
B) t
C) 6
D) t - 7
t , t - 7
A) t(t - 7 )
B) t
C) 6
D) t - 7
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
65
Find the LCM.
+ 11x + 30 , 5 x + 25
A) 5 (x - 6 )(x - 5 )
B) 5 (x + 6 )(x + 5 )
C) 5 (x - 6 )(x + 5 )
D) 5 (x + 6 )(x - 5 )
+ 11x + 30 , 5 x + 25A) 5 (x - 6 )(x - 5 )
B) 5 (x + 6 )(x + 5 )
C) 5 (x - 6 )(x + 5 )
D) 5 (x + 6 )(x - 5 )
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
66
Find the LCM.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
67
Find the LCM.
n , 9 + n , 9 - n
A)
B)
C) n + 9
D) n(9 + n)( 9 - n)
n , 9 + n , 9 - n
A)
B)
C) n + 9
D) n(9 + n)( 9 - n)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
68
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
69
Find the LCM.
A)
B)
C) 8 a - 6
D) 8 a(a - 6 )
A)
B)
C) 8 a - 6
D) 8 a(a - 6 )
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
70
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
71
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
72
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
73
Find the LCM.
A) r(r + 8 )
B) r(r + 1)(r + 8 )
C)
D)
A) r(r + 8 )
B) r(r + 1)(r + 8 )
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
74
Add. Simplify, if possible.
A) 5
B)
C)
D)
A) 5
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
75
Add. Simplify, if possible.
A)
B)
C)
D) 1
A)
B)
C)
D) 1
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
76
Add. Simplify, if possible.
-
A)
B)
C)
D)
-
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
77
Add. Simplify, if possible.
A)
B)
C)
D)
A)
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
78
Add. Simplify, if possible.
A) 4
B)
C)
D)
A) 4
B)
C)
D)
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
79
Find the LCM.
A) m(x + 1 )(m - 4 )
B)
C)
D) m(m - 3 )(m - 4 )
A) m(x + 1 )(m - 4 )
B)
C)
D) m(m - 3 )(m - 4 )
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
80
Find the LCM.
+ 9 x + 20, x2 + 2 x - 8
A) (x - 5 )(x - 4 )(x - 2 )
B) (x + 4 )(x - 2 )
C) (x + 5 )(x + 4 )
D) (x + 5 )(x + 4 )(x - 2 )
+ 9 x + 20, x2 + 2 x - 8A) (x - 5 )(x - 4 )(x - 2 )
B) (x + 4 )(x - 2 )
C) (x + 5 )(x + 4 )
D) (x + 5 )(x + 4 )(x - 2 )
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
Unlock Deck
k this deck
Unlock Deck
Unlock for access to all 226 flashcards in this deck.
