Question 1

Add. Find the LCD first.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 2

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-

Accepted Answer

A)    
B) 10 
C) 0 
D)    
A)    
B) 10 
C) 0 
D)

Question 3

Add. Find the LCD first.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-

Accepted Answer

A) 1 
B)    
C)    
D)    
A) 1 
B)    
C)    
D)

Question 5

Simplify.
-

Accepted Answer

A)    
B) -1 
C) None of these 
D)    
A)    
B) -1 
C) None of these 
D)

Question 6

Find the LCM.
-

Accepted Answer

A) (x + 6)(x - 4)(x + 1) 
B) (x + 4)(x + 1) 
C) (x - 6)(x + 4)(x + 1) 
D) (x - 6)(x + 4) 
A) (x + 6)(x - 4)(x + 1) 
B) (x + 4)(x + 1) 
C) (x - 6)(x + 4)(x + 1) 
D) (x - 6)(x + 4)

Question 7

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-

Accepted Answer

A)    
B) 4m - 9 
C)    
D)    
A)    
B) 4m - 9 
C)    
D)

Question 8

Find the domain. Write interval notation for the answer.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

Find the LCM.
-

Accepted Answer

A) 7a - 6 
B)    
C) 7a(a - 6) 
D)    
A) 7a - 6 
B)    
C) 7a(a - 6) 
D)

Question 10

Find all numbers for which the rational expression is not defined.
-

Accepted Answer

A) y = 36 
B)    
C) y = 6 
D) y = 6 and y = -6 
A) y = 36 
B)    
C) y = 6 
D) y = 6 and y = -6

Question 11

Multiply and simplify.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Find all numbers for which the rational expression is not defined.
-

Accepted Answer

A) x = 3 and x = -3 
B) x = 0 
C) x = -6 and x = 8 
D) x = 6 and x = -8 
A) x = 3 and x = -3 
B) x = 0 
C) x = -6 and x = 8 
D) x = 6 and x = -8

Question 13

Simplify.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-

Accepted Answer

A) m - 6 
B)    
C) m - 5 
D) m + 6 
A) m - 6 
B)    
C) m - 5 
D) m + 6

Question 15

Find the LCM by factoring.
-21, 28

Accepted Answer

A) 28 
B) 49 
C) 588 
D) 84 
A) 28 
B) 49 
C) 588 
D) 84

Question 16

Find the LCM by factoring.
-12, 7

Accepted Answer

A) 19 
B) 42 
C) 12 
D) 84 
A) 19 
B) 42 
C) 12 
D) 84

Question 17

Add. Find the LCD first.
-

Accepted Answer

A)    
B) 4 
C)    
D)    
A)    
B) 4 
C)    
D)

Question 18

Add. Find the LCD first.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-

Accepted Answer

A) 0 
B) 3 
C)    
D)    
A) 0 
B) 3 
C)    
D)

Question 20

Multiply and simplify.
-

Accepted Answer

A)    
B) 1 
C)    
D)    
A)    
B) 1 
C)    
D)

Add. Find the LCD first. -

Add. Find the LCD first. -

Simplify. -

Find the LCM. -

Find the domain. Write interval notation for the answer. -

Find the LCM. -

Find all numbers for which the rational expression is not defined. -

Multiply and simplify. -

Find all numbers for which the rational expression is not defined. -

Simplify. -

Find the LCM by factoring. -21, 28

Find the LCM by factoring. -12, 7

Add. Find the LCD first. -

Add. Find the LCD first. -

Multiply and simplify. -

Solving Linear Equations and Inequalities

Graphs, Functions, and Applications

Systems of Equations

Polynomials and Polynomial Functions

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Conic Sections

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Exam 5: Rational Expressions, Equations, and Functions

Add. Find the LCD first. -

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

Add. Find the LCD first. -

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

Simplify. -

Find the LCM. -

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

Find the domain. Write interval notation for the answer. -

Find the LCM. -

Find all numbers for which the rational expression is not defined. -

Multiply and simplify. -

Find all numbers for which the rational expression is not defined. -

Simplify. -

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

Find the LCM by factoring. -21, 28

Find the LCM by factoring. -12, 7

Add. Find the LCD first. -

Add. Find the LCD first. -

Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable. -

Multiply and simplify. -

Solving Linear Equations and Inequalities

Graphs, Functions, and Applications

Systems of Equations

Polynomials and Polynomial Functions

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Conic Sections

Filters