Question 1

$\text { Insert }  \text { to write a true statement. }$
-$\frac { 14 } { 22 } - \frac { 2 } { 3 }$

Accepted Answer

A)  $\frac { 14 } { 22 }  \frac { 2 } { 3 }$

Question 2

Subtract.
-$9 - ( - 12 )$

Accepted Answer

A)  21 
B)  $- 3$ 
C)  3 
D)  $- 21$

Question 3

Find the absolute value.
-$\left| \frac { 1 } { 7 } \right|$

Accepted Answer

A)  $\frac { 2 } { 7 }$ 
B)  $\frac { 1 } { 7 }$ 
C)  $- \frac { 1 } { 7 }$ 
D)  0

Question 4

Solve the problem.
-The stock market gained 54 points on Tuesday and lost 56 points on Wednesday. It had closed on Monday at 2788 points. Where did the market close on Wednesday?

Accepted Answer

A)  2898 points 
B)  2790 points 
C)  2786 points 
D)  2678 points

Question 5

Simplify.
-$$- 8 + 12 - ( - 19 ) - 10$$

Accepted Answer

A)  13 
B)  33 
C)  $- 29$ 
D)  $- 5$

Question 6

Graph the numbers on a number line.
-$- 5.75 , - 3 , - 1,1.25$

Accepted Answer

A) 
 
B) 
 
C) 
 
D)

Question 7

Add. Do not use a number line except as a check.
-$- \frac { 7 } { 8 } + \left( - \frac { 3 } { 5 } \right)$

Accepted Answer

A)  $- \frac { 59 } { 13 }$ 
B)  $\frac { 11 } { 40 }$ 
C)  $- \frac { 59 } { 40 }$ 
D)  $- \frac { 10 } { 13 }$

Question 8

Evaluate -x for the given value of x.
-$$x = - \frac { 1 } { 178 }$$

Accepted Answer

A)  $- \frac { 1 } { 178 }$ 
B)  178 
C)  0 
D)  $\frac { 1 } { 178 }$

Question 9

Determine whether the statement is true or false.
-$7 \leq 16$

Accepted Answer

A) True 
 B)False

Question 10

Write an inequality with the same meaning.
-$y > 21$

Accepted Answer

A)  $y  y$

Question 11

Evaluate -(-x)for the given value of x.
-$x = - 32.89$

Accepted Answer

A)  $- 0.03$ 
B)  $- 32.89$ 
C)  $0.03$ 
D)  $32.89$

Question 12

Add. Do not use a number line except as a check.
-$$- \frac { 2 } { 5 } + \frac { 14 } { 15 }$$

Accepted Answer

A)  $\frac { 4 } { 3 }$ 
B)  $- \frac { 8 } { 15 }$ 
C)  $- \frac { 4 } { 3 }$ 
D)  $\frac { 8 } { 15 }$

Question 13

Evaluate -(-x)for the given value of x.
-$$x = - 67$$

Accepted Answer

A)  67 
B)  $- \frac { 1 } { 67 }$ 
C)  $- 67$ 
D)  0

Question 14

Convert to decimal notation.
-$- \frac { 13 } { 10 }$

Accepted Answer

A)  $- 0.13$ 
B)  $- 1.3$ 
C)  $- 1 . \overline { 3 }$ 
D)  $- 2.6$

Question 15

Add. Do not use a number line except as a check.
-$$- 2.4 + ( - 7.3 )$$

Accepted Answer

A)  $9.7$ 
B)  $- 4.9$ 
C)  $4.9$ 
D)  $- 9.7$

Question 16

Subtract.
-$\frac { 3 } { 4 } - \frac { 1 } { 8 }$

Accepted Answer

A)  $\frac { 5 } { 8 }$ 
B)  $\frac { 1 } { 4 }$ 
C)  $\frac { 1 } { 2 }$ 
D)  $\frac { 7 } { 8 }$

Question 17

Substitute to find the value of the expression.
-The area of a rectangle of length land width $w$ is given by the formula $\mathrm { A } =$ l $\mathrm { N }$. Ann's backyard is rectangular with a length of $37.0$ yards and a width of $25.8$ yards. Find the area of Ann's backyard.

Accepted Answer

A)  $954.60 \mathrm { yd }$ 
B)  $954.60 \mathrm { yd } ^ { 2 }$ 
C)  $62.8 \mathrm { yd } ^ { 2 }$ 
D)  $62.8 \mathrm { yd }$

Question 18

Add. Do not use a number line except as a check.
-$$- 1.2 + ( - 4.6 ) + 3.3$$

Accepted Answer

A)  $0.1$ 
B)  $- 2.5$ 
C)  $- 9.1$ 
D)  $6.7$

Question 19

Evaluate -(-x)for the given value of x.
-$$x = 43$$

Accepted Answer

A)  0 
B)  43 
C)  $\frac { 1 } { 43 }$ 
D)  $- 43$

Question 20

Add. Do not use a number line except as a check.
-$$- \frac { 2 } { 5 } + \frac { 4 } { 5 }$$

Accepted Answer

A)  $\frac { 6 } { 5 }$ 
B)  $- \frac { 6 } { 5 }$ 
C)  $\frac { 2 } { 5 }$ 
D)  $- \frac { 2 } { 5 }$

Exam 1: Introduction to Real Numbers and Algebraic Expressions

$\text { Insert } < \text { or } > \text { to write a true statement. }$ - $\frac { 14 } { 22 } - \frac { 2 } { 3 }$

Subtract. - $9 - ( - 12 )$

Find the absolute value. - $\left| \frac { 1 } { 7 } \right|$

Solve the problem. -The stock market gained 54 points on Tuesday and lost 56 points on Wednesday. It had closed on Monday at 2788 points. Where did the market close on Wednesday?

Simplify. - $- 8 + 12 - ( - 19 ) - 10$

Graph the numbers on a number line. - $- 5.75 , - 3 , - 1,1.25$

Add. Do not use a number line except as a check. - $- \frac { 7 } { 8 } + \left( - \frac { 3 } { 5 } \right)$

Evaluate -x for the given value of x. - $x = - \frac { 1 } { 178 }$

Determine whether the statement is true or false. - $7 \leq 16$

Write an inequality with the same meaning. - $y > 21$

Evaluate -(-x) for the given value of x. - $x = - 32.89$

Add. Do not use a number line except as a check. - $- \frac { 2 } { 5 } + \frac { 14 } { 15 }$

Evaluate -(-x) for the given value of x. - $x = - 67$

Convert to decimal notation. - $- \frac { 13 } { 10 }$

Add. Do not use a number line except as a check. - $- 2.4 + ( - 7.3 )$

Subtract. - $\frac { 3 } { 4 } - \frac { 1 } { 8 }$

Substitute to find the value of the expression. -The area of a rectangle of length land width $w$ is given by the formula $\mathrm { A } =$ l $\mathrm { N }$ . Ann's backyard is rectangular with a length of $37.0$ yards and a width of $25.8$ yards. Find the area of Ann's backyard.

Add. Do not use a number line except as a check. - $- 1.2 + ( - 4.6 ) + 3.3$

Evaluate -(-x) for the given value of x. - $x = 43$

Add. Do not use a number line except as a check. - $- \frac { 2 } { 5 } + \frac { 4 } { 5 }$

Exam 1: Introduction to Real Numbers and Algebraic Expressions

Insert < or > to write a true statement. \text { Insert } < \text { or } > \text { to write a true statement. } Insert < or > to write a true statement. - 1422−23\frac { 14 } { 22 } - \frac { 2 } { 3 }2214​−32​

Subtract. - 9−(−12) 9 - ( - 12 ) 9−(−12)

Find the absolute value. - ∣17∣\left| \frac { 1 } { 7 } \right|​71​​

Solve the problem. -The stock market gained 54 points on Tuesday and lost 56 points on Wednesday. It had closed on Monday at 2788 points. Where did the market close on Wednesday?

Simplify. - −8+12−(−19) −10- 8 + 12 - ( - 19 ) - 10−8+12−(−19) −10

Graph the numbers on a number line. - −5.75,−3,−1,1.25- 5.75 , - 3 , - 1,1.25−5.75,−3,−1,1.25

Add. Do not use a number line except as a check. - −78+(−35) - \frac { 7 } { 8 } + \left( - \frac { 3 } { 5 } \right) −87​+(−53​)

Evaluate -x for the given value of x. - x=−1178x = - \frac { 1 } { 178 }x=−1781​

Determine whether the statement is true or false. - 7≤167 \leq 167≤16

Write an inequality with the same meaning. - y>21y > 21y>21

Evaluate -(-x) for the given value of x. - x=−32.89x = - 32.89x=−32.89

Add. Do not use a number line except as a check. - −25+1415- \frac { 2 } { 5 } + \frac { 14 } { 15 }−52​+1514​

Evaluate -(-x) for the given value of x. - x=−67x = - 67x=−67

Convert to decimal notation. - −1310- \frac { 13 } { 10 }−1013​

Add. Do not use a number line except as a check. - −2.4+(−7.3) - 2.4 + ( - 7.3 ) −2.4+(−7.3)

Subtract. - 34−18\frac { 3 } { 4 } - \frac { 1 } { 8 }43​−81​

Substitute to find the value of the expression. -The area of a rectangle of length land width www is given by the formula A=\mathrm { A } =A= l N\mathrm { N }N . Ann's backyard is rectangular with a length of 37.037.037.0 yards and a width of 25.825.825.8 yards. Find the area of Ann's backyard.

Add. Do not use a number line except as a check. - −1.2+(−4.6) +3.3- 1.2 + ( - 4.6 ) + 3.3−1.2+(−4.6) +3.3

Evaluate -(-x) for the given value of x. - x=43x = 43x=43

Add. Do not use a number line except as a check. - −25+45- \frac { 2 } { 5 } + \frac { 4 } { 5 }−52​+54​