Question 1

Simplify the expression. $- | - 18 |$

Accepted Answer

A)  - | 18| 
B)  18 
C)  -18 
D)  - |18| 
E)  none of these 
A)  - | 18| 
B)  18 
C)  -18 
D)  - |18| 
E)  none of these

Question 2

Write the given phrase as a mathematical expression: The product of 7 and 2.

Accepted Answer

A)  $7 \div 2$ 
B)  $7 + 2$ 
C)  $7 \times 2$ 
D)  $7 - 2$ 
E)  $7 ^ { 2 }$ 
A)  $7 \div 2$ 
B)  $7 + 2$ 
C)  $7 \times 2$ 
D)  $7 - 2$ 
E)  $7 ^ { 2 }$

Question 3

Let $x = - 4$ and $y = 7$ Evaluate the expression to find $A$ $$A = x y$$

Accepted Answer

A)  $A = 28$ 
B)  $A = - 1$ 
C)  $A = - 28$ 
D)  $A = - 11$ 
E)  $A = 16$ 
A)  $A = 28$ 
B)  $A = - 1$ 
C)  $A = - 28$ 
D)  $A = - 11$ 
E)  $A = 16$

Question 4

Let $x = - 6 , y = 5$ and $z = - 2$ . Evaluate the expression to find $L$ $$L = - y ^ { 2 }$$

Accepted Answer

A)  $L = 36$ 
B)  $L = 4$ 
C)  $L = 25$ 
D)  $L = - 25$ 
E)  $L = - 36$ 
A)  $L = 36$ 
B)  $L = 4$ 
C)  $L = 25$ 
D)  $L = - 25$ 
E)  $L = - 36$

Question 5

Find the average of 18, 24,   18, 36, 42, and 0 Average = __________

Accepted Answer

The answer of Find the average of 18, 24, ...

Question 6

Evaluate the expression for the given values of the variables. $C = 5 - x$ for $x = 3$ . $\mathrm { C } $= __________

Accepted Answer

The answer of Evaluate the expression for the given values...

Question 7

Evaluate the expression, given that $x = 3 , y = 5$ . $$( 3 x ) ^ { 2 } + 9 y ^ { 2 }$$

Accepted Answer

The answer of Evaluate the expression, given that \(x =...

Question 8

Simplify the expression. $$\frac { 2 } { 3 } - \frac { 5 } { 8 } + \frac { 1 } { 3 }$$

Accepted Answer

A)  $\frac { 3 } { - 8 }$ 
B)  $\frac{3}{8}$ 
C)  $3$ 
D)  $\frac { - 3 } { 8 }$ 
E)  $- 3$ 
A)  $\frac { 3 } { - 8 }$ 
B)  $\frac{3}{8}$ 
C)  $3$ 
D)  $\frac { - 3 } { 8 }$ 
E)  $- 3$

Question 9

$( - 5 ) ( 4 ) = - 20$

Accepted Answer

A) True 
 B)False

Question 10

Tim was not a very good card player and obtained a score of   25, 5 times in a row. What is Tim s final score?

Accepted Answer

The answer of Tim was not a very good card...

Question 11

After joining two pieces of picture frame molding together, a frame maker checks her work by making a diagonal measurement (see the illustration). If the sides of the frame that form a right angle are a = 8 in.and b = 15 in., what measurement should the frame maker read on the yardstick?

Accepted Answer

A)  17 in. 
B)  $25$ in. 
C)  21 in. 
D)  23 in. 
E)  $15$ in. 
A)  17 in. 
B)  $25$ in. 
C)  21 in. 
D)  23 in. 
E)  $15$ in.

Question 12

$( - 2 ) ( - 13 ) = 26$

Accepted Answer

A) True 
 B)False

Question 13

Evaluate the expression. $$( - 5 ) ( - 2 ) ( - 3 )$$

Accepted Answer

A)  -10 
B)  10 
C)  30 
D)  -30 
E)  -26 
A)  -10 
B)  10 
C)  30 
D)  -30 
E)  -26

Question 14

Let $x = - 5 , y = - 1$ and $z = - 4$ . Find $$K = z - x - y$$

Accepted Answer

A)  $K = 0$ 
B)  $K = - 8$ 
C)  $K = - 10$ 
D)  $K = 2$ 
E)  none of these 
A)  $K = 0$ 
B)  $K = - 8$ 
C)  $K = - 10$ 
D)  $K = 2$ 
E)  none of these

Question 15

Evaluate the expression for the given values of the variables. $$F = \frac { 3 w y Z } { x }$$ for w = 3, x = 2, y = 4, and z = 4.

Accepted Answer

A)  $F = 144$ 
B)  $F = 72$ 
C)  $F = 9$ 
D)  $F = 36$ 
E)  $F = 18$ 
A)  $F = 144$ 
B)  $F = 72$ 
C)  $F = 9$ 
D)  $F = 36$ 
E)  $F = 18$

Question 16

Let $x = - 6 , y = 5$ and $z = - 3$ Evaluate the expression to find $D$ $$D = x y z$$ $$D =$$ __________

Accepted Answer

The answer of Let \(x = - 6 , y...

Question 17

Write the given phrase as a mathematical expression: The sum of $x$ and 4 divided by 6.

Accepted Answer

A)  $\frac { 6 } { x + 4 }$ 
B)  $x + 4 - 6$ 
C)  $\frac { x + 4 } { 6 }$ 
D)  $x + \frac { 4 } { 6 }$ 
E)  $4 + \frac { x } { 6 }$ 
A)  $\frac { 6 } { x + 4 }$ 
B)  $x + 4 - 6$ 
C)  $\frac { x + 4 } { 6 }$ 
D)  $x + \frac { 4 } { 6 }$ 
E)  $4 + \frac { x } { 6 }$

Question 18

Find the sum using a number line. $$- 7 + ( - 3 )$$

Accepted Answer

A)  3 
B)  -4 
C)  -10 
D)  5 
E)  4 
A)  3 
B)  -4 
C)  -10 
D)  5 
E)  4

Question 19

Simplify the expression. $$\frac { 1 } { 2 } - \frac { 4 } { 5 }$$

Accepted Answer

A)  $\frac { 3 } { 10 }$ 
B)  $\frac { 1 } { 10 }$ 
C)  $- \frac { 3 } { 10 }$ 
D)  $1$ 
E)  $- \frac { 1 } { 10 }$ 
A)  $\frac { 3 } { 10 }$ 
B)  $\frac { 1 } { 10 }$ 
C)  $- \frac { 3 } { 10 }$ 
D)  $1$ 
E)  $- \frac { 1 } { 10 }$

Question 20

Perform the indicated operation. $$6 ( - 6 )$$

Accepted Answer

The answer of Perform the indicated operation. \[6 ( -...

Simplify the expression. $- | - 18 |$

Write the given phrase as a mathematical expression: The product of 7 and 2.

Let $x = - 4$ and $y = 7$ Evaluate the expression to find $A$ $A = x y$

Let $x = - 6 , y = 5$ and $z = - 2$ . Evaluate the expression to find $L$ $L = - y ^ { 2 }$

Find the average of 18, 24, 18, 36, 42, and 0 Average = __________

Evaluate the expression for the given values of the variables. $C = 5 - x$ for $x = 3$ . $\mathrm { C }$ = __________

Evaluate the expression, given that $x = 3 , y = 5$ . $( 3 x ) ^ { 2 } + 9 y ^ { 2 }$

Simplify the expression. $\frac { 2 } { 3 } - \frac { 5 } { 8 } + \frac { 1 } { 3 }$

$( - 5 ) ( 4 ) = - 20$

Tim was not a very good card player and obtained a score of 25, 5 times in a row. What is Tim s final score?

After joining two pieces of picture frame molding together, a frame maker checks her work by making a diagonal measurement (see the illustration). If the sides of the frame that form a right angle are a = 8 in.and b = 15 in., what measurement should the frame maker read on the yardstick?

$( - 2 ) ( - 13 ) = 26$

Evaluate the expression. $( - 5 ) ( - 2 ) ( - 3 )$

Let $x = - 5 , y = - 1$ and $z = - 4$ . Find $K = z - x - y$

Evaluate the expression for the given values of the variables. $F = \frac { 3 w y Z } { x }$ for w = 3, x = 2, y = 4, and z = 4.

Let $x = - 6 , y = 5$ and $z = - 3$ Evaluate the expression to find $D$ $D = x y z$ $D =$ __________

Write the given phrase as a mathematical expression: The sum of $x$ and 4 divided by 6.

Find the sum using a number line. $- 7 + ( - 3 )$

Simplify the expression. $\frac { 1 } { 2 } - \frac { 4 } { 5 }$

Perform the indicated operation. $6 ( - 6 )$

Arithmetic, Calculators, and Problem Solving

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Exam 2: Sets of Numbers

Simplify the expression. −∣−18∣- | - 18 |−∣−18∣

Write the given phrase as a mathematical expression: The product of 7 and 2.

Let x=−4x = - 4x=−4 and y=7y = 7y=7 Evaluate the expression to find AAA A=xyA = x yA=xy

Let x=−6,y=5x = - 6 , y = 5x=−6,y=5 and z=−2z = - 2z=−2 . Evaluate the expression to find LLL L=−y2L = - y ^ { 2 }L=−y2

Find the average of 18, 24, 18, 36, 42, and 0 Average = __________

Evaluate the expression for the given values of the variables. C=5−xC = 5 - xC=5−x for x=3x = 3x=3 . C\mathrm { C } C = __________

Evaluate the expression, given that x=3,y=5x = 3 , y = 5x=3,y=5 . (3x)2+9y2( 3 x ) ^ { 2 } + 9 y ^ { 2 }(3x)2+9y2

Simplify the expression. 23−58+13\frac { 2 } { 3 } - \frac { 5 } { 8 } + \frac { 1 } { 3 }32​−85​+31​

(−5)(4)=−20( - 5 ) ( 4 ) = - 20(−5)(4)=−20

Tim was not a very good card player and obtained a score of 25, 5 times in a row. What is Tim s final score?

After joining two pieces of picture frame molding together, a frame maker checks her work by making a diagonal measurement (see the illustration). If the sides of the frame that form a right angle are a = 8 in.and b = 15 in., what measurement should the frame maker read on the yardstick?

(−2)(−13)=26( - 2 ) ( - 13 ) = 26(−2)(−13)=26

Evaluate the expression. (−5)(−2)(−3)( - 5 ) ( - 2 ) ( - 3 )(−5)(−2)(−3)

Let x=−5,y=−1x = - 5 , y = - 1x=−5,y=−1 and z=−4z = - 4z=−4 . Find K=z−x−yK = z - x - yK=z−x−y

Evaluate the expression for the given values of the variables. F=3wyZxF = \frac { 3 w y Z } { x }F=x3wyZ​ for w = 3, x = 2, y = 4, and z = 4.

Let x=−6,y=5x = - 6 , y = 5x=−6,y=5 and z=−3z = - 3z=−3 Evaluate the expression to find DDD D=xyzD = x y zD=xyz D=D =D= __________

Write the given phrase as a mathematical expression: The sum of xxx and 4 divided by 6.

Find the sum using a number line. −7+(−3)- 7 + ( - 3 )−7+(−3)

Simplify the expression. 12−45\frac { 1 } { 2 } - \frac { 4 } { 5 }21​−54​

Perform the indicated operation. 6(−6)6 ( - 6 )6(−6)

Arithmetic, Calculators, and Problem Solving

Introduction to Algebra

Percents and Problem Solving

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Graphs

Filters

Simplify the expression. $- | - 18 |$

Let $x = - 4$ and $y = 7$ Evaluate the expression to find $A$ $A = x y$

Let $x = - 6 , y = 5$ and $z = - 2$ . Evaluate the expression to find $L$ $L = - y ^ { 2 }$

Evaluate the expression for the given values of the variables. $C = 5 - x$ for $x = 3$ . $\mathrm { C }$ = __________

Evaluate the expression, given that $x = 3 , y = 5$ . $( 3 x ) ^ { 2 } + 9 y ^ { 2 }$

Simplify the expression. $\frac { 2 } { 3 } - \frac { 5 } { 8 } + \frac { 1 } { 3 }$

$( - 5 ) ( 4 ) = - 20$

$( - 2 ) ( - 13 ) = 26$

Evaluate the expression. $( - 5 ) ( - 2 ) ( - 3 )$

Let $x = - 5 , y = - 1$ and $z = - 4$ . Find $K = z - x - y$

Evaluate the expression for the given values of the variables. $F = \frac { 3 w y Z } { x }$ for w = 3, x = 2, y = 4, and z = 4.

Let $x = - 6 , y = 5$ and $z = - 3$ Evaluate the expression to find $D$ $D = x y z$ $D =$ __________

Write the given phrase as a mathematical expression: The sum of $x$ and 4 divided by 6.

Find the sum using a number line. $- 7 + ( - 3 )$

Simplify the expression. $\frac { 1 } { 2 } - \frac { 4 } { 5 }$

Perform the indicated operation. $6 ( - 6 )$