Question 1

Plot the point in the rectangular coordinate system.
-(-1,4)

Accepted Answer

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

Question 2

Express the interval in set builder notation and graph the interval on a number line.
-$( - \infty , 2.5 )$

Accepted Answer

A) $\{ x \mid x \geq 2.5 \}$ B) $\{ x \mid x > 2.5 \}$ C) $\{ x \mid x < 2.5 \}$ D) $\{ x \mid x \leq 2.5 \}$ A) $\{ x \mid x \geq 2.5 \}$ B) $\{ x \mid x > 2.5 \}$ C) $\{ x \mid x < 2.5 \}$ D) $\{ x \mid x \leq 2.5 \}$

Question 3

Subtract as indicated.
--2 - 5

Accepted Answer

A)  -7 
B)  3 
C)  7 
D)  -3 
A)  -7 
B)  3 
C)  7 
D)  -3

Question 4

Find the absolute value.
-$$- \left| - \frac { 13 } { 3 } \right|$$

Accepted Answer

A)  10 
B)  $- 16$ 
C)  $= \frac { 13 } { 3 }$ 
D)  $\frac { 13 } { 3 }$ 
A)  10 
B)  $- 16$ 
C)  $= \frac { 13 } { 3 }$ 
D)  $\frac { 13 } { 3 }$

Question 5

Evaluate the expression for the given values.
-$( x + 3 y ) ^ { 2 } , \text { for } x = 2 , y = 4$

Accepted Answer

A)  25 
B)  14 
C)  196 
D)  28 
A)  25 
B)  14 
C)  196 
D)  28

Question 6

Use the indicated property to write an algebraic expression equivalent to the given expression.
--13 · x; commutative of multiplication

Accepted Answer

A)  x · (-13) 
B)  13 · x 
C)  13 - x 
D)  x - (13) 
A)  x · (-13) 
B)  13 · x 
C)  13 - x 
D)  x - (13)

Question 7

Evaluate.
-$$- \left( - \frac { 9 } { 5 } \right) ^ { 3 }$$

Accepted Answer

A)  $- \frac { 27 } { 5 }$ 
B)  $\frac { 729 } { 125 }$ 
C)  $- \frac { 729 } { 125 }$ 
D)  $\frac { 9 ^ { 3 } } { 5 }$ 
A)  $- \frac { 27 } { 5 }$ 
B)  $\frac { 729 } { 125 }$ 
C)  $- \frac { 729 } { 125 }$ 
D)  $\frac { 9 ^ { 3 } } { 5 }$

Question 8

Subtract as indicated.
--6.4 - 9.7

Accepted Answer

A)  -16.1 
B)  3.3 
C)  -3.3 
D)  16.1 
A)  -16.1 
B)  3.3 
C)  -3.3 
D)  16.1

Question 9

Determine whether the statement is true or false.
-All natural numbers are whole numbers.

Accepted Answer

A) True 
 B)False

Question 10

Match the correct viewing rectangle dimensions with the figure.
-

Accepted Answer

A)  $[ - 20,20,2 ]$ by $[ - 20,20,2 ]$ 
B)  $[ - 16,16,4 ]$ by $[ - 4,4,2 ]$ 
C)  $[ - 4,4,2 ]$ by $[ - 4,4,2 ]$ 
D)  $[ - 4,4,2 ]$ by $[ - 80,80,8 ]$ 
A)  $[ - 20,20,2 ]$ by $[ - 20,20,2 ]$ 
B)  $[ - 16,16,4 ]$ by $[ - 4,4,2 ]$ 
C)  $[ - 4,4,2 ]$ by $[ - 4,4,2 ]$ 
D)  $[ - 4,4,2 ]$ by $[ - 80,80,8 ]$

Question 11

Divide as indicated or state that the division is undefined.
-$\frac { 64 } { - 4 }$

Accepted Answer

A)  $- \frac { 1 } { 16 }$ 
B)  $- 16$ 
C)  16 
D)  $- 26$ 
A)  $- \frac { 1 } { 16 }$ 
B)  $- 16$ 
C)  16 
D)  $- 26$

Question 12

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.
-The quotient of a number and the sum of the number and 7 is represented by $\frac { x } { x + 7 }$ and $\sqrt { 2 } \notin \{ x \mid x$ is a rational number $\}$

Accepted Answer

A) True 
 B)False

Question 13

Divide as indicated or state that the division is undefined.
-$- \frac { 9.4 } { 0 }$

Accepted Answer

A)  0 
B)  Undefined 
C)  $- 9.4$ 
D)  $9.4$ 
A)  0 
B)  Undefined 
C)  $- 9.4$ 
D)  $9.4$

Question 14

Solve the problem.
-Paul has $20,000 to invest. He puts x dollars in a safe government-insured certificate of deposit paying 5% per year. He invests the remainder of the money in noninsured corporate bonds paying 12% per year. His total interest earned at the end of the year is given by the algebraic expression 0.05x + 0.12(20,000 - x). Determine the amount of interest earned at the end of the year if he invests $6000 in the government-insured certificate of deposit.

Accepted Answer

A)  $3420 
B)  $1782 
C)  $2820 
D)  $1980 
A)  $3420 
B)  $1782 
C)  $2820 
D)  $1980

Question 15

Use the roster method to list the elements in the set.
-{x | x is an integer between 5 and 9}

Accepted Answer

A)  {6, 7, 8} 
B)  {5, 6, 7, 8} 
C)  {6, 7, 8, 9} 
D)  {5, 6, 7, 8, 9} 
A)  {6, 7, 8} 
B)  {5, 6, 7, 8} 
C)  {6, 7, 8, 9} 
D)  {5, 6, 7, 8, 9}

Question 16

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.  
-At what time was the temperature 73°?

Accepted Answer

A)  10 a.m. and 11 a.m. 
B)  4 p.m. and 5 p.m. 
C)  10 a.m. 
D)  5 p.m. 
A)  10 a.m. and 11 a.m. 
B)  4 p.m. and 5 p.m. 
C)  10 a.m. 
D)  5 p.m.

Question 17

Find -x for the given value of x.
-$$x = 21$$

Accepted Answer

A)  21 
B)  $\frac { 1 } { 21 }$ 
C)  $- 21$ 
D)  0 
A)  21 
B)  $\frac { 1 } { 21 }$ 
C)  $- 21$ 
D)  0

Question 18

Add as indicated.
--5.4 + 5.2

Accepted Answer

A)  10.6 
B)  -0.2 
C)  0.2 
D)  -10.6 
A)  10.6 
B)  -0.2 
C)  0.2 
D)  -10.6

Question 19

Determine whether the statement is true or false.
-Every irrational number is a rational number.

Accepted Answer

A) True 
 B)False

Question 20

Use the roster method to list the elements in the set.
-{x | x is a natural number multiple of 5}

Accepted Answer

A)  {5, 10, 15, . . .} 
B)  {-15, -10, -5, 0, 5, 10, 15,. . .} 
C)  {0, 5, 10, 15,. . .} 
D)  {10, 15, 20, . . .} 
A)  {5, 10, 15, . . .} 
B)  {-15, -10, -5, 0, 5, 10, 15,. . .} 
C)  {0, 5, 10, 15,. . .} 
D)  {10, 15, 20, . . .}

Plot the point in the rectangular coordinate system. -(-1,4)

Express the interval in set builder notation and graph the interval on a number line. - $( - \infty , 2.5 )$ $Express the interval in set builder notation and graph the interval on a number line. - ( - \infty , 2.5 )$

Subtract as indicated. --2 - 5

Find the absolute value. - $- \left| - \frac { 13 } { 3 } \right|$

Evaluate the expression for the given values. - $( x + 3 y ) ^ { 2 } , \text { for } x = 2 , y = 4$

Use the indicated property to write an algebraic expression equivalent to the given expression. --13 · x; commutative of multiplication

Evaluate. - $- \left( - \frac { 9 } { 5 } \right) ^ { 3 }$

Subtract as indicated. --6.4 - 9.7

Determine whether the statement is true or false. -All natural numbers are whole numbers.

Match the correct viewing rectangle dimensions with the figure. -

Divide as indicated or state that the division is undefined. - $\frac { 64 } { - 4 }$

Divide as indicated or state that the division is undefined. - $- \frac { 9.4 } { 0 }$

Use the roster method to list the elements in the set. -{x | x is an integer between 5 and 9}

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -At what time was the temperature 73°?

Find -x for the given value of x. - $x = 21$

Add as indicated. --5.4 + 5.2

Determine whether the statement is true or false. -Every irrational number is a rational number.

Use the roster method to list the elements in the set. -{x | x is a natural number multiple of 5}

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

Plot the point in the rectangular coordinate system. -(-1,4)

Express the interval in set builder notation and graph the interval on a number line. - (−∞,2.5)( - \infty , 2.5 )(−∞,2.5)

Subtract as indicated. --2 - 5

Find the absolute value. - −∣−133∣- \left| - \frac { 13 } { 3 } \right|−​−313​​

Evaluate the expression for the given values. - (x+3y)2, for x=2,y=4( x + 3 y ) ^ { 2 } , \text { for } x = 2 , y = 4(x+3y)2, for x=2,y=4

Use the indicated property to write an algebraic expression equivalent to the given expression. --13 · x; commutative of multiplication

Evaluate. - −(−95)3- \left( - \frac { 9 } { 5 } \right) ^ { 3 }−(−59​)3

Subtract as indicated. --6.4 - 9.7

Determine whether the statement is true or false. -All natural numbers are whole numbers.

Match the correct viewing rectangle dimensions with the figure. -

Divide as indicated or state that the division is undefined. - 64−4\frac { 64 } { - 4 }−464​

Divide as indicated or state that the division is undefined. - −9.40- \frac { 9.4 } { 0 }−09.4​

Use the roster method to list the elements in the set. -{x | x is an integer between 5 and 9}

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -At what time was the temperature 73°?

Find -x for the given value of x. - x=21x = 21x=21

Add as indicated. --5.4 + 5.2

Determine whether the statement is true or false. -Every irrational number is a rational number.

Use the roster method to list the elements in the set. -{x | x is a natural number multiple of 5}

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

Express the interval in set builder notation and graph the interval on a number line. - $( - \infty , 2.5 )$ $Express the interval in set builder notation and graph the interval on a number line. - ( - \infty , 2.5 )$

Find the absolute value. - $- \left| - \frac { 13 } { 3 } \right|$

Evaluate the expression for the given values. - $( x + 3 y ) ^ { 2 } , \text { for } x = 2 , y = 4$

Evaluate. - $- \left( - \frac { 9 } { 5 } \right) ^ { 3 }$

Divide as indicated or state that the division is undefined. - $\frac { 64 } { - 4 }$

Divide as indicated or state that the division is undefined. - $- \frac { 9.4 } { 0 }$

Find -x for the given value of x. - $x = 21$