Question 1

Write an inequality with the same meaning.
-$- 17 \leq x$

Accepted Answer

A)  $- 17 \geq x$ 
B)  $x \geq - 17$ 
C)  $x \leq - 17$ 
D)  $x > - 17$ 
A)  $- 17 \geq x$ 
B)  $x \geq - 17$ 
C)  $x \leq - 17$ 
D)  $x > - 17$

Question 2

Add. Do not use a number line except as a check.
-$8.1 + ( - 3.2 )$

Accepted Answer

A)  $8.1$ 
B)  $11.3$ 
C)  $- 11.3$ 
D)  $4.9$ 
A)  $8.1$ 
B)  $11.3$ 
C)  $- 11.3$ 
D)  $4.9$

Question 3

State the real number that corresponds to the situation.
-The stock market gained 40 points on Monday.

Accepted Answer

A)  $- 40$ 
B)  40 
A)  $- 40$ 
B)  40

Question 4

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 5

Evaluate.
-$5 x$, when $x = 4$

Accepted Answer

A)  9 
B)  23 
C)  20 
D)  90 
A)  9 
B)  23 
C)  20 
D)  90

Question 6

Convert to decimal notation.
-$\frac { 11 } { 16 }$

Accepted Answer

A)  $0.6875$ 
B)  $0.411$ 
C)  $2.0625$ 
D)  $1.375$ 
A)  $0.6875$ 
B)  $0.411$ 
C)  $2.0625$ 
D)  $1.375$

Question 7

Subtract.
-$$\frac { 11 } { 2 } - \frac { 11 } { 2 }$$

Accepted Answer

A)  0 
B)  $\frac { 33 } { 2 }$ 
C)  undefined 
D)  $- \frac { 33 } { 2 }$ 
A)  0 
B)  $\frac { 33 } { 2 }$ 
C)  undefined 
D)  $- \frac { 33 } { 2 }$

Question 8

Subtract.
-$0 - ( - 16 )$

Accepted Answer

A)  $- 16$ 
B)  $- 15$ 
C)  0 
D)  16 
A)  $- 16$ 
B)  $- 15$ 
C)  0 
D)  16

Question 9

State the real number that corresponds to the situation.
-Mr. Voss decreased his speed by 6 miles per hour.

Accepted Answer

A)  6 
B)  $- 6$ 
A)  6 
B)  $- 6$

Question 10

Subtract.
-$- 13 - ( - 17 )$

Accepted Answer

A)  $- 30$ 
B)  $- 13$ 
C)  $- 4$ 
D)  $ 4$ 
A)  $- 30$ 
B)  $- 13$ 
C)  $- 4$ 
D)  $ 4$

Question 11

Evaluate -x for the given value of x.
-$$x = \frac { 19 } { 4 }$$

Accepted Answer

A)  $\frac { 19 } { 4 }$ 
B)  $- \frac { 19 } { 4 }$ 
C)  $\frac { 4 } { 19 }$ 
D)  $- \frac { 4 } { 19 }$ 
A)  $\frac { 19 } { 4 }$ 
B)  $- \frac { 19 } { 4 }$ 
C)  $\frac { 4 } { 19 }$ 
D)  $- \frac { 4 } { 19 }$

Question 12

Subtract.
-$- \frac { 7 } { 8 } - \frac { 4 } { 5 }$

Accepted Answer

A)  $- \frac { 67 } { 13 }$ 
B)  $- \frac { 11 } { 13 }$ 
C)  $- \frac { 67 } { 40 }$ 
D)  $\frac { 3 } { 40 }$ 
A)  $- \frac { 67 } { 13 }$ 
B)  $- \frac { 11 } { 13 }$ 
C)  $- \frac { 67 } { 40 }$ 
D)  $\frac { 3 } { 40 }$

Question 13

Translate the phrase to an algebraic expression.
-The sum of x and y

Accepted Answer

A)  $2 x y$ 
B)  $\frac { x } { y }$ 
C)  $x y$ 
D)  $x + y$ 
A)  $2 x y$ 
B)  $\frac { x } { y }$ 
C)  $x y$ 
D)  $x + y$

Question 14

Substitute to find the value of the expression.
-A train must cover a distance of 2140 miles. The velocity, in miles per hour, of the train is $\frac { 2140 } { t }$ where $t$ is the time, in hours, to complete the trip. If the train completes the trip in 20 hours, what is its velocity?

Accepted Answer

A)  $102 \mathrm { mph }$ 
B)  $0.01 \mathrm { mph }$ 
C)  $107 \mathrm { mph }$ 
D)  $42,800 \mathrm { mph }$ 
A)  $102 \mathrm { mph }$ 
B)  $0.01 \mathrm { mph }$ 
C)  $107 \mathrm { mph }$ 
D)  $42,800 \mathrm { mph }$

Question 15

Add. Do not use a number line except as a check.
-$- 71 + \left( - \frac { 1 } { 9 } \right) + 39 + \left( - \frac { 2 } { 9 } \right)$

Accepted Answer

A)  $- \frac { 35 } { 9 }$ 
B)  $- \frac { 97 } { 3 }$ 
C)  $ - \frac { 95 } { 3 }$ 
D)  $\frac { 95 } { 3 }$ 
A)  $- \frac { 35 } { 9 }$ 
B)  $- \frac { 97 } { 3 }$ 
C)  $ - \frac { 95 } { 3 }$ 
D)  $\frac { 95 } { 3 }$

Question 16

Substitute to find the value of the expression.
-Bill takes four times as long to do a job as Jose. Suppose $t$ represents the time it takes Bill to do the job. Then $t / 4$ represents the time it takes Jose. How long does it take Jose if it takes Bill 90 minutes?

Accepted Answer

A)  $94.00 \mathrm {~min}$ 
B)  $22.50 \mathrm {~min}$ 
C)  $360.00 \mathrm {~min}$ 
D)  $86.00 \mathrm {~min}$ 
A)  $94.00 \mathrm {~min}$ 
B)  $22.50 \mathrm {~min}$ 
C)  $360.00 \mathrm {~min}$ 
D)  $86.00 \mathrm {~min}$

Question 17

Add. Do not use a number line except as a check.
-$$6 + - 6$$

Accepted Answer

A)  0 
B)  $- 6$ 
C)  6 
D)  12 
A)  0 
B)  $- 6$ 
C)  6 
D)  12

Question 18

$\text { Insert }  \text { to write a true statement. }$
-$3$_0

Accepted Answer

A)  $3  0$ 
A)  $3  0$

Question 19

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 $0.6 x$. 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 20

Evaluate -(-x)for the given value of x.
-$$x = - \frac { 31 } { 42 }$$

Accepted Answer

A)  $\frac { 31 } { 42 }$ 
B)  $- \frac { 42 } { 31 }$ 
C)  $\frac { 42 } { 31 }$ 
D)  $- \frac { 31 } { 42 }$ 
A)  $\frac { 31 } { 42 }$ 
B)  $- \frac { 42 } { 31 }$ 
C)  $\frac { 42 } { 31 }$ 
D)  $- \frac { 31 } { 42 }$

Write an inequality with the same meaning. - $- 17 \leq x$

Add. Do not use a number line except as a check. - $8.1 + ( - 3.2 )$

State the real number that corresponds to the situation. -The stock market gained 40 points on Monday.

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

Evaluate. - $5 x$ , when $x = 4$

Convert to decimal notation. - $\frac { 11 } { 16 }$

Subtract. - $\frac { 11 } { 2 } - \frac { 11 } { 2 }$

Subtract. - $0 - ( - 16 )$

State the real number that corresponds to the situation. -Mr. Voss decreased his speed by 6 miles per hour.

Subtract. - $- 13 - ( - 17 )$

Evaluate -x for the given value of x. - $x = \frac { 19 } { 4 }$

Subtract. - $- \frac { 7 } { 8 } - \frac { 4 } { 5 }$

Translate the phrase to an algebraic expression. -The sum of x and y

Substitute to find the value of the expression. -A train must cover a distance of 2140 miles. The velocity, in miles per hour, of the train is $\frac { 2140 } { t }$ where $t$ is the time, in hours, to complete the trip. If the train completes the trip in 20 hours, what is its velocity?

Add. Do not use a number line except as a check. - $- 71 + \left( - \frac { 1 } { 9 } \right) + 39 + \left( - \frac { 2 } { 9 } \right)$

Substitute to find the value of the expression. -Bill takes four times as long to do a job as Jose. Suppose $t$ represents the time it takes Bill to do the job. Then $t / 4$ represents the time it takes Jose. How long does it take Jose if it takes Bill 90 minutes?

Add. Do not use a number line except as a check. - $6 + - 6$

$\text { Insert } < \text { or } > \text { to write a true statement. }$ - $3$ _0

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 $0.6 x$ . What is the cost of $2.0$ pounds of bananas?

Evaluate -(-x)for the given value of x. - $x = - \frac { 31 } { 42 }$

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

Finding Measures of Central Tendency for Prices and Heights

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Exam 1: Introduction to Real Numbers and Algebraic Expressions

Write an inequality with the same meaning. - −17≤x- 17 \leq x−17≤x

Add. Do not use a number line except as a check. - 8.1+(−3.2)8.1 + ( - 3.2 )8.1+(−3.2)

State the real number that corresponds to the situation. -The stock market gained 40 points on Monday.

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

Evaluate. - 5x5 x5x , when x=4x = 4x=4

Convert to decimal notation. - 1116\frac { 11 } { 16 }1611​

Subtract. - 112−112\frac { 11 } { 2 } - \frac { 11 } { 2 }211​−211​

Subtract. - 0−(−16)0 - ( - 16 )0−(−16)