Question 1

Find the absolute value.
-$| 7 |$

Accepted Answer

A)  $- 7$ 
B)  0 
C)  14 
D)  7 
A)  $- 7$ 
B)  0 
C)  14 
D)  7 D

Question 2

Solve the equation.
-$$- 7 x - ( 7 x + 5 ) = - 10$$

Accepted Answer

A)  $\{ 0 \}$ 
B)  $\left\{ - \frac { 14 } { 5 } \right\}$ 
C)  $\left\{ \frac { 14 } { 5 } \right\}$ 
D)  $\left\{ \frac { 5 } { 14 } \right\}$ 
A)  $\{ 0 \}$ 
B)  $\left\{ - \frac { 14 } { 5 } \right\}$ 
C)  $\left\{ \frac { 14 } { 5 } \right\}$ 
D)  $\left\{ \frac { 5 } { 14 } \right\}$ D

Question 3

Solve the equation.
-$$- 7 x - 10 = 5 - 3 x$$

Accepted Answer

A)  $\{ 2 \}$ 
B)  $\left\{ - \frac { 4 } { 15 } \right\}$ 
C)  $\left\{ - \frac { 15 } { 4 } \right\}$ 
D)  $\left\{ \frac { 4 } { 15 } \right\}$ 
A)  $\{ 2 \}$ 
B)  $\left\{ - \frac { 4 } { 15 } \right\}$ 
C)  $\left\{ - \frac { 15 } { 4 } \right\}$ 
D)  $\left\{ \frac { 4 } { 15 } \right\}$ C

Question 4

By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.
-$$\left( \frac { 10 } { 66 } + \frac { 17 } { 66 } \right) \in \{ x \mid x \text { is a whole number } \} \text { and the value of } 9 x ^ { 2 } ( x + 22 ) - 9 x ^ { 2 } ( 22 + x ) \text {, for } x = 100 \text { is } 0 \text {. }$$

Accepted Answer

A) True 
 B)False

Question 5

Write the English phrase as an algebraic expression. Let x represent the number.
-89 less than a number

Accepted Answer

A)  89 
B)  x + 89 
C)  89x 
D)  89 - x 
A)  89 
B)  x + 89 
C)  89x 
D)  89 - x

Question 6

Express the interval in set builder notation and graph the interval on a number line.
-$[ - 7 , \infty )$

Accepted Answer

A)  $\{ x \mid x > - 7 \}$
  
B)  $\{ x \mid x \geq - 7 \}$
  
C)  $\{ x \mid x \geq - 7 \}$
  
D)  $\{ x \mid x > - 7 \}$
  
A)  $\{ x \mid x > - 7 \}$
  
B)  $\{ x \mid x \geq - 7 \}$
  
C)  $\{ x \mid x \geq - 7 \}$
  
D)  $\{ x \mid x > - 7 \}$

Question 7

By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.
-$$\text { Three times the sum of a number and eight is represented by } 3 ( x + 8 ) \text { and } 0 \in \{ x \mid x \text { is a natural number } \}$$

Accepted Answer

A) True 
 B)False

Question 8

Express the interval in set builder notation and graph the interval on a number line.
-$$( - 4,7 )$$

Accepted Answer

A)  $\{ x \mid - 4 < x < 7 \}$
  
B)  $\{ x \mid - 4 \leq x \leq 7 \}$
  
C)  $\{ x \mid - 4 \leq x < 7 \}$
  
D)  $\{ x \mid - 4 < x \leq 7 \}$
  
A)  $\{ x \mid - 4 < x < 7 \}$
  
B)  $\{ x \mid - 4 \leq x \leq 7 \}$
  
C)  $\{ x \mid - 4 \leq x < 7 \}$
  
D)  $\{ x \mid - 4 < x \leq 7 \}$

Question 9

Use the indicated property to write an algebraic expression equivalent to the given expression.
-$8 ( 7 n + 4 )$; distributive

Accepted Answer

A)  $88 n$ 
B)  $56 n + 4$ 
C)  $56 n + 32$ 
D)  $15 n + 12$ 
A)  $88 n$ 
B)  $56 n + 4$ 
C)  $56 n + 32$ 
D)  $15 n + 12$

Question 10

Plot the point in the rectangular coordinate system.
-(1,3)

Accepted Answer

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

Question 11

Does the graph of Y2 pass through the origin?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 12

Use the order of operations to simplify the expression.
-72 - 7 ·5 + 266 ÷ (-19)

Accepted Answer

A)  311 
B)  -927 
C)  -18 
D)  23 
A)  311 
B)  -927 
C)  -18 
D)  23

Question 13

Solve.
-Forensic scientists use the lengths of certain bones to calculate the height of a person. When the femur (the bone from the knee to the hip socket) is used, the following formula applies for men: h = 69.09 + 2.24f, where h is the height and f is the length of the femur (both in centimeters). Find the height of a man with a femur measuring 51 centimeters.

Accepted Answer

A)  3637.83 cm 
B)  183.33 cm 
C)  120.09 cm 
D)  8.08 cm 
A)  3637.83 cm 
B)  183.33 cm 
C)  120.09 cm 
D)  8.08 cm

Question 14

Express the interval in set builder notation and graph the interval on a number line.
-$$( - 6 , \infty )$$

Accepted Answer

A)  $\{ x \mid x \geq - 6 \}$
  
B)  $\{ x \mid x > - 6 \}$
  
C)  $\{ x \mid x > - 6 \}$
  
D)  $\{ x \mid x \geq - 6 \}$
  
A)  $\{ x \mid x \geq - 6 \}$
  
B)  $\{ x \mid x > - 6 \}$
  
C)  $\{ x \mid x > - 6 \}$
  
D)  $\{ x \mid x \geq - 6 \}$

Question 15

Determine whether the statement is true or false.
-Some integers are not positive.

Accepted Answer

A) True 
 B)False

Question 16

Multiply as indicated.
-45 ·5

Accepted Answer

A)  180 
B)  2250 
C)  125 
D)  225 
A)  180 
B)  2250 
C)  125 
D)  225

Question 17

Add as indicated.
--16 + (-17)

Accepted Answer

A)  1 
B)  -33 
C)  -1 
D)  33 
A)  1 
B)  -33 
C)  -1 
D)  33

Question 18

Determine whether the statement is true or false.
-Some real numbers are integers.

Accepted Answer

A) True 
 B)False

Question 19

By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.
-$$\text { Five times the difference of a number and nine is represented by } 5 x - 9 \text { and } \pi \in \{ x \mid x \text { is an irrational number }$$

Accepted Answer

A) True 
 B)False

Question 20

By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.
-$$27 \in \{ 1,2,3 , \ldots \} \text { and } \{ 1 \} \in \{ 1,2,3,4 \}$$

Accepted Answer

A) True 
 B)False

Find the absolute value. - $| 7 |$

Solve the equation. - $- 7 x - ( 7 x + 5 ) = - 10$

Solve the equation. - $- 7 x - 10 = 5 - 3 x$

Write the English phrase as an algebraic expression. Let x represent the number. -89 less than a number

Express the interval in set builder notation and graph the interval on a number line. - $[ - 7 , \infty )$ $Express the interval in set builder notation and graph the interval on a number line. - [ - 7 , \infty )$

Express the interval in set builder notation and graph the interval on a number line. - $( - 4,7 )$

Use the indicated property to write an algebraic expression equivalent to the given expression. - $8 ( 7 n + 4 )$ ; distributive

Plot the point in the rectangular coordinate system. -(1,3)

Does the graph of Y2 pass through the origin?

Use the order of operations to simplify the expression. -72 - 7 ·5 + 266 ÷ (-19)

Express the interval in set builder notation and graph the interval on a number line. - $( - 6 , \infty )$ $Express the interval in set builder notation and graph the interval on a number line. - ( - 6 , \infty )$

Determine whether the statement is true or false. -Some integers are not positive.

Multiply as indicated. -45 ·5

Add as indicated. --16 + (-17)

Determine whether the statement is true or false. -Some real numbers are integers.

By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false. - $27 \in \{ 1,2,3 , \ldots \} \text { and } \{ 1 \} \in \{ 1,2,3,4 \}$

Functions and Linear Functions

Systems of Linear Equations

Inequalities and Problem Solving

Polynomials, Polynomial Functions, and Factoring

Rational Expressions, Functions, and Equations

Radicals, Radical Functions, and Rational Exponents

Quadratic Equations and Functions

Filters

Exam 1: Algebra, Mathematical Models, and Problem Solving

Find the absolute value. - ∣7∣| 7 |∣7∣

Solve the equation. - −7x−(7x+5)=−10- 7 x - ( 7 x + 5 ) = - 10−7x−(7x+5)=−10

Solve the equation. - −7x−10=5−3x- 7 x - 10 = 5 - 3 x−7x−10=5−3x

Write the English phrase as an algebraic expression. Let x represent the number. -89 less than a number

Express the interval in set builder notation and graph the interval on a number line. - [−7,∞)[ - 7 , \infty )[−7,∞)

Express the interval in set builder notation and graph the interval on a number line. - (−4,7)( - 4,7 )(−4,7)

Use the indicated property to write an algebraic expression equivalent to the given expression. - 8(7n+4)8 ( 7 n + 4 )8(7n+4) ; distributive

Plot the point in the rectangular coordinate system. -(1,3)

Does the graph of Y2 pass through the origin?

Use the order of operations to simplify the expression. -72 - 7 ·5 + 266 ÷ (-19)

Express the interval in set builder notation and graph the interval on a number line. - (−6,∞)( - 6 , \infty )(−6,∞)

Determine whether the statement is true or false. -Some integers are not positive.

Multiply as indicated. -45 ·5

Add as indicated. --16 + (-17)

Determine whether the statement is true or false. -Some real numbers are integers.

Functions and Linear Functions

Systems of Linear Equations

Inequalities and Problem Solving

Polynomials, Polynomial Functions, and Factoring

Rational Expressions, Functions, and Equations

Radicals, Radical Functions, and Rational Exponents

Quadratic Equations and Functions

Filters

Find the absolute value. - $| 7 |$

Solve the equation. - $- 7 x - ( 7 x + 5 ) = - 10$

Solve the equation. - $- 7 x - 10 = 5 - 3 x$

Express the interval in set builder notation and graph the interval on a number line. - $[ - 7 , \infty )$ $Express the interval in set builder notation and graph the interval on a number line. - [ - 7 , \infty )$

Express the interval in set builder notation and graph the interval on a number line. - $( - 4,7 )$

Use the indicated property to write an algebraic expression equivalent to the given expression. - $8 ( 7 n + 4 )$ ; distributive

Express the interval in set builder notation and graph the interval on a number line. - $( - 6 , \infty )$ $Express the interval in set builder notation and graph the interval on a number line. - ( - 6 , \infty )$