Question 1

Use a commutative property to complete the statement.
- −19⋅x=- 19 \cdot x =−19⋅x=

Accepted Answer

A)    x−(19) x - ( 19 ) x−(19)  
B)    19−x19 - x19−x 
C)    x⋅(−19) x \cdot ( - 19 ) x⋅(−19)  
D)    19⋅x19 \cdot \mathrm { x }19⋅x

Question 2

Divide.
- 0−28\frac { 0 } { - 28 }−280​

Accepted Answer

A)   0
B)   1
C)   28
D)   undefined

Question 3

Use the distributive property to write the expression without parentheses. Then simplify, if necessary.
- 14(12x−8) \frac { 1 } { 4 } ( 12 x - 8 ) 41​(12x−8)

Accepted Answer

A)    xxx 
B)    48x−3248 x - 3248x−32 
C)    3x−23 x - 23x−2 
D)    3x−83 x - 83x−8

Question 4

Write the fraction in lowest terms.
- 36\frac { 3 } { 6 }63​

Accepted Answer

A)    36\frac { 3 } { 6 }63​ 
B)    12\frac { 1 } { 2 }21​ 
C)   2
D)    612\frac { 6 } { 12 }126​

Question 5

Insert "><,>< , ><,> , or = to make the statement true. - , or = to make the statement true. - A) " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  
B)  =
C)  >

Question 6

Evaluate the expression when x = 2, y = 1, and z = 4.
- 5x+65 x + 65x+6

Accepted Answer

A)   17
B)   40
C)   60
D)   16

Question 7

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational
numbers, and real numbers.
- 3.743.743.74

Accepted Answer

A)   rational
B)   natural, rational, real
C)   real
D)   rational, real

Question 8

Multiply.
- (−8) (−7) (−6) ( - 8 )  ( - 7 )  ( - 6 ) (−8) (−7) (−6)

Accepted Answer

A)    −236- 236−236 
B)   336
C)    −336- 336−336 
D)    −346- 346−346

Question 9

Solve. Simplify the answer.
-Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 13 feet of wrapping paper on the roll. She uses  8238 \frac { 2 } { 3 }832​  feet to wrap the present. How many feet of wrapping paper are left on the roll?

Accepted Answer

A)    513ft5 \frac { 1 } { 3 } \mathrm { ft }531​ft 
B)    1213ft12 \frac { 1 } { 3 } \mathrm { ft }1231​ft 
C)    523ft5 \frac { 2 } { 3 } \mathrm { ft }532​ft 
D)    413ft4 \frac { 1 } { 3 } \mathrm { ft }431​ft

Question 10

Evaluate.
- (−11) 2( - 11 )  ^ { 2 }(−11) 2

Accepted Answer

A)   121
B)    −22- 22−22 
C)   22
D)    −121- 121−121

Question 11

Subtract.
- −11−(−7) - 11 - ( - 7 ) −11−(−7)

Accepted Answer

A)   18
B)    −4- 4−4 
C)   4
D)    −18- 18−18

Question 12

Evaluate.
- 949 ^ { 4 }94

Accepted Answer

A)   6561
B)   729
C)   36
D)   262,144

Question 13

Solve. Simplify the answer.
-Jeffrey has two packages. One weighs  2142 \frac { 1 } { 4 }241​  ounces, and the other weighs  59\frac { 5 } { 9 }95​  of an ounce. What is the total weight of the two packages?

Accepted Answer

A)    22936oz2 \frac { 29 } { 36 } \mathrm { oz }23629​oz 
B)    49134 \frac { 9 } { 13 }4139​  oz
C)    1113oz1 \frac { 1 } { 13 } \mathrm { oz }1131​oz 
D)    114oz1 \frac { 1 } { 4 } \mathrm { oz }141​oz

Question 14

Multiply.
- (−3) (4) (−2) (−2) ( - 3 )  ( 4 )  ( - 2 )  ( - 2 ) (−3) (4) (−2) (−2)

Accepted Answer

A)   48
B)    −48- 48−48 
C)   24
D)    −3- 3−3

Question 15

Find the reciprocal or multiplicative inverse.
- 13\frac { 1 } { 3 }31​

Accepted Answer

A)    −3- 3−3 
B)   1
C)   3
D)    −13- \frac { 1 } { 3 }−31​

Question 16

Decide whether the given number is a solution of the given equation.
-Is 6 a solution of $- x - 9 = - 15$ ?

Accepted Answer

A) True 
 B)False

Question 17

Evaluate the expression when x = 2, y = 1, and z = 4.
- ∣7z−2y∣| 7 \mathrm { z } - 2 \mathrm { y } |∣7z−2y∣

Accepted Answer

A)   26
B)    −26- 26−26 
C)   30
D)   24

Question 18

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational
numbers, and real numbers.
- 17\sqrt { 17 }17​

Accepted Answer

A)   irrational, real
B)   whole, real
C)   rational, real
D)   integer, real

Question 19

Evaluate the expression for the given replacement values.
- x+yzx=8,y=−5,z=−9x + y z \quad x = 8 , y = - 5 , z = - 9x+yzx=8,y=−5,z=−9

Accepted Answer

A)   37
B)    −27- 27−27 
C)    −37- 37−37 
D)   53

Question 20

Evaluate the expression for the given replacement values.
-Neglecting air resistance, the expression  16t216 t ^ { 2 }16t2  gives the distance in feet an object will fall in  ttt  seconds Complete the chart below.

Accepted Answer

A)  
B)  
C)  
D)

Exam 1: Review of Real Numbers

Use the distributive property to write the expression without parentheses. Then simplify, if necessary. - $\frac { 1 } { 4 } ( 12 x - 8 )$

Correct Answer
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Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - $\sqrt { 17 }$

Correct Answer
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Multiply. - $( - 8 ) ( - 7 ) ( - 6 )$

Correct Answer
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Multiply. - $( - 3 ) ( 4 ) ( - 2 ) ( - 2 )$

Correct Answer
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Write the fraction in lowest terms. - $\frac { 3 } { 6 }$

Correct Answer
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Subtract. - $- 11 - ( - 7 )$

Correct Answer
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Evaluate the expression when x = 2, y = 1, and z = 4. - $| 7 \mathrm { z } - 2 \mathrm { y } |$

Correct Answer
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Evaluate. - $9 ^ { 4 }$

Correct Answer
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Divide. - $\frac { 0 } { - 28 }$

Correct Answer
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Solve. Simplify the answer. -Jeffrey has two packages. One weighs $2 \frac { 1 } { 4 }$ ounces, and the other weighs $\frac { 5 } { 9 }$ of an ounce. What is the total weight of the two packages?

Correct Answer
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Decide whether the given number is a solution of the given equation. -Is 6 a solution of $- x - 9 = - 15$ ?

Correct Answer
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Correct Answer
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Evaluate. - $( - 11 ) ^ { 2 }$

Correct Answer
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Solve. Simplify the answer. -Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 13 feet of wrapping paper on the roll. She uses $8 \frac { 2 } { 3 }$ feet to wrap the present. How many feet of wrapping paper are left on the roll?

Correct Answer
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Find the reciprocal or multiplicative inverse. - $\frac { 1 } { 3 }$

Correct Answer
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Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - $3.74$

Correct Answer
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Insert $< , >$ , or = to make the statement true. -

Correct Answer
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Evaluate the expression for the given replacement values. - $x + y z \quad x = 8 , y = - 5 , z = - 9$

Correct Answer
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Use a commutative property to complete the statement. - $- 19 \cdot x =$

Correct Answer
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Evaluate the expression when x = 2, y = 1, and z = 4. - $5 x + 6$

Correct Answer
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Exam 1: Review of Real Numbers

Use the distributive property to write the expression without parentheses. Then simplify, if necessary. - 14(12x−8) \frac { 1 } { 4 } ( 12 x - 8 ) 41​(12x−8)

Correct AnswerverifiedShow Answer

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - 17\sqrt { 17 }17​

Correct AnswerverifiedShow Answer

Multiply. - (−8) (−7) (−6) ( - 8 ) ( - 7 ) ( - 6 ) (−8) (−7) (−6)

Correct AnswerverifiedShow Answer

Multiply. - (−3) (4) (−2) (−2) ( - 3 ) ( 4 ) ( - 2 ) ( - 2 ) (−3) (4) (−2) (−2)

Correct AnswerverifiedShow Answer

Write the fraction in lowest terms. - 36\frac { 3 } { 6 }63​

Correct AnswerverifiedShow Answer

Subtract. - −11−(−7) - 11 - ( - 7 ) −11−(−7)

Correct AnswerverifiedShow Answer

Evaluate the expression when x = 2, y = 1, and z = 4. - ∣7z−2y∣| 7 \mathrm { z } - 2 \mathrm { y } |∣7z−2y∣

Correct AnswerverifiedShow Answer

Evaluate. - 949 ^ { 4 }94

Correct AnswerverifiedShow Answer

Divide. - 0−28\frac { 0 } { - 28 }−280​

Correct AnswerverifiedShow Answer

Solve. Simplify the answer. -Jeffrey has two packages. One weighs 2142 \frac { 1 } { 4 }241​ ounces, and the other weighs 59\frac { 5 } { 9 }95​ of an ounce. What is the total weight of the two packages?

Correct AnswerverifiedShow Answer

Decide whether the given number is a solution of the given equation. -Is 6 a solution of −x−9=−15- x - 9 = - 15−x−9=−15 ?

Correct AnswerverifiedShow Answer

Evaluate the expression for the given replacement values. -Neglecting air resistance, the expression 16t216 t ^ { 2 }16t2 gives the distance in feet an object will fall in ttt seconds Complete the chart below.

Correct AnswerverifiedShow Answer

Evaluate. - (−11) 2( - 11 ) ^ { 2 }(−11) 2

Correct AnswerverifiedShow Answer

Solve. Simplify the answer. -Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 13 feet of wrapping paper on the roll. She uses 8238 \frac { 2 } { 3 }832​ feet to wrap the present. How many feet of wrapping paper are left on the roll?

Correct AnswerverifiedShow Answer

Find the reciprocal or multiplicative inverse. - 13\frac { 1 } { 3 }31​

Correct AnswerverifiedShow Answer

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - 3.743.743.74

Correct AnswerverifiedShow Answer

Insert <,>< , ><,> , or = to make the statement true. -

Correct AnswerverifiedShow Answer

Evaluate the expression for the given replacement values. - x+yzx=8,y=−5,z=−9x + y z \quad x = 8 , y = - 5 , z = - 9x+yzx=8,y=−5,z=−9

Correct AnswerverifiedShow Answer

Use a commutative property to complete the statement. - −19⋅x=- 19 \cdot x =−19⋅x=

Correct AnswerverifiedShow Answer

Evaluate the expression when x = 2, y = 1, and z = 4. - 5x+65 x + 65x+6

Correct AnswerverifiedShow Answer

Use the distributive property to write the expression without parentheses. Then simplify, if necessary. - $\frac { 1 } { 4 } ( 12 x - 8 )$

Correct Answer
verified

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - $\sqrt { 17 }$

Correct Answer
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Multiply. - $( - 8 ) ( - 7 ) ( - 6 )$

Correct Answer
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Multiply. - $( - 3 ) ( 4 ) ( - 2 ) ( - 2 )$

Correct Answer
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Write the fraction in lowest terms. - $\frac { 3 } { 6 }$

Correct Answer
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Subtract. - $- 11 - ( - 7 )$

Correct Answer
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Evaluate the expression when x = 2, y = 1, and z = 4. - $| 7 \mathrm { z } - 2 \mathrm { y } |$

Correct Answer
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Evaluate. - $9 ^ { 4 }$

Correct Answer
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Divide. - $\frac { 0 } { - 28 }$

Correct Answer
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Solve. Simplify the answer. -Jeffrey has two packages. One weighs $2 \frac { 1 } { 4 }$ ounces, and the other weighs $\frac { 5 } { 9 }$ of an ounce. What is the total weight of the two packages?

Correct Answer
verified

Decide whether the given number is a solution of the given equation. -Is 6 a solution of $- x - 9 = - 15$ ?

Correct Answer
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Correct Answer
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Evaluate. - $( - 11 ) ^ { 2 }$

Correct Answer
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Solve. Simplify the answer. -Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 13 feet of wrapping paper on the roll. She uses $8 \frac { 2 } { 3 }$ feet to wrap the present. How many feet of wrapping paper are left on the roll?

Correct Answer
verified

Find the reciprocal or multiplicative inverse. - $\frac { 1 } { 3 }$

Correct Answer
verified

Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. - $3.74$

Correct Answer
verified

Insert $< , >$ , or = to make the statement true. -

Correct Answer
verified

Evaluate the expression for the given replacement values. - $x + y z \quad x = 8 , y = - 5 , z = - 9$

Correct Answer
verified

Use a commutative property to complete the statement. - $- 19 \cdot x =$

Correct Answer
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Evaluate the expression when x = 2, y = 1, and z = 4. - $5 x + 6$

Correct Answer
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