Question 1

Evaluate -x for the given value of x.
-x = -2.653

Accepted Answer

A)  -2.653 
B)  -3.1416 
C)  2.653 
D)  3.1416 
A)  -2.653 
B)  -3.1416 
C)  2.653 
D)  3.1416

Question 2

Write the word or phrase that best completes each statement or answers the question.
Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-(x + 7) + y as 7 + (x + y)

Accepted Answer

(x + 7) + y = (7 + x

Question 3

Multiply.
-5 ·(-4) ·7 ·(-7) ·3 ·(-4) ·(-6)

Accepted Answer

A)  -6 
B)  -70,560 
C)  -11,754 
D)  70,560 
A)  -6 
B)  -70,560 
C)  -11,754 
D)  70,560

Question 4

Simplify.
-

Accepted Answer

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

Question 5

Evaluate -x for the given value of x.
-x = -7.2

Accepted Answer

A)    
B)  -7.2 
C)  7.2 
D)  0 
A)    
B)  -7.2 
C)  7.2 
D)  0

Question 6

Collect like terms.
-

Accepted Answer

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

Question 7

Remove parentheses and simplify.
--7(9r + 8) + 4(8r + 9)

Accepted Answer

A)  2r + 1 
B)  -31r - 20 
C)  -31r + 8 
D)  -119r 
A)  2r + 1 
B)  -31r - 20 
C)  -31r + 8 
D)  -119r

Question 8

Graph the numbers on a number line.
--8, -6, -4, -2

Accepted Answer

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

Question 9

Divide.
-

Accepted Answer

A)  13 
B)  4 
C)  -4 
D)  -13 
A)  13 
B)  4 
C)  -4 
D)  -13

Question 10

Substitute to find the value of the expression.
-In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 2.0 pounds of bananas?

Accepted Answer

A)  $0.33 
B)  $1.20 
C)  $3.33 
D)  $1.40 
A)  $0.33 
B)  $1.20 
C)  $3.33 
D)  $1.40

Question 11

Write the word or phrase that best completes each statement or answers the question.
Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-(x + 2) + 3 as 5 + x

Accepted Answer

(x + 2) + 3 = x + (2 + 3) Usin

Question 12

Subtract.
--2.7 - 0

Accepted Answer

A)  0 
B)  2.7 
C)  -2.7 
D)  undefined 
A)  0 
B)  2.7 
C)  -2.7 
D)  undefined

Question 13

State the real number that corresponds to the situation.
-A football team gained 17 yards on one play.

Accepted Answer

A)  17 
B)  -17 
A)  17 
B)  -17

Question 14

Divide, if possible.
--232 ÷ (-8)

Accepted Answer

A)  19 
B)    
C)  -29 
D)  29 
A)  19 
B)    
C)  -29 
D)  29

Question 15

Factor. Check by multiplying.
-4 + 4z

Accepted Answer

A)  4(1 + z) 
B)  4(4 + z) 
C)  4(1 + 4z) 
D)  4(0 + z) 
A)  4(1 + z) 
B)  4(4 + z) 
C)  4(1 + 4z) 
D)  4(0 + z)

Question 16

(5s)t

Accepted Answer

A)  5s + 5t 
B)  t(5s) 
C)  5(st) 
D)  (s5)t 
A)  5s + 5t 
B)  t(5s) 
C)  5(st) 
D)  (s5)t

Question 17

Add. Do not use a number line except as a check.
-

Accepted Answer

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

Question 18

Translate the phrase to an algebraic expression.
-x increased by six

Accepted Answer

A)  6 
B)  x + 6 
C)  6x 
D)  x - 6 
A)  6 
B)  x + 6 
C)  6x 
D)  x - 6

Question 19

Add. Do not use a number line except as a check.
-

Accepted Answer

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

Question 20

List the terms of the expression.
-11x + 7y

Accepted Answer

A)  11x, -7y 
B)  11x, 7y 
C)  11, 7 
D)  11, x, 7, y 
A)  11x, -7y 
B)  11x, 7y 
C)  11, 7 
D)  11, x, 7, y

Evaluate -x for the given value of x. -x = -2.653

Write the word or phrase that best completes each statement or answers the question. Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 7) + y as 7 + (x + y)

Multiply. -5 ·(-4) ·7 ·(-7) ·3 ·(-4) ·(-6)

Simplify. -

Evaluate -x for the given value of x. -x = -7.2

Collect like terms. -

Remove parentheses and simplify. --7(9r + 8) + 4(8r + 9)

Graph the numbers on a number line. --8, -6, -4, -2

Divide. -

Substitute to find the value of the expression. -In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 2.0 pounds of bananas?

Write the word or phrase that best completes each statement or answers the question. Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 2) + 3 as 5 + x

Subtract. --2.7 - 0

State the real number that corresponds to the situation. -A football team gained 17 yards on one play.

Divide, if possible. --232 ÷ (-8)

Factor. Check by multiplying. -4 + 4z

(5s)t

Add. Do not use a number line except as a check. -

Translate the phrase to an algebraic expression. -x increased by six

Add. Do not use a number line except as a check. -

List the terms of the expression. -11x + 7y

Introduction

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters

Exam 2: Introduction to Real Numbers and Algebraic Expressions

Evaluate -x for the given value of x. -x = -2.653

Write the word or phrase that best completes each statement or answers the question. Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 7) + y as 7 + (x + y)

Multiply. -5 ·(-4) ·7 ·(-7) ·3 ·(-4) ·(-6)

Simplify. -

Evaluate -x for the given value of x. -x = -7.2

Collect like terms. -

Remove parentheses and simplify. --7(9r + 8) + 4(8r + 9)

Graph the numbers on a number line. --8, -6, -4, -2

Divide. -

Substitute to find the value of the expression. -In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 2.0 pounds of bananas?

Write the word or phrase that best completes each statement or answers the question. Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 2) + 3 as 5 + x

Subtract. --2.7 - 0

State the real number that corresponds to the situation. -A football team gained 17 yards on one play.

Divide, if possible. --232 ÷ (-8)

Factor. Check by multiplying. -4 + 4z

(5s)t

Add. Do not use a number line except as a check. -

Translate the phrase to an algebraic expression. -x increased by six

Add. Do not use a number line except as a check. -

List the terms of the expression. -11x + 7y

Introduction

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters