Unit Test — Unit test Answers

2 verified answers
2
Free Preview

Which expression is equivalent to ?

Question illustration
A
mc022-2.jpg
Option A
B
mc022-3.jpg
Option B
C
mc022-4.jpg
Option C
D
mc022-5.jpg
Option D
3

Using feet or centimeters when measuring length is an example of using a

A
unit of measure.
B
unit of capacity.
C
conversion.
D
similarity.
4

There are 28.35 grams in an ounce and 2.21 pounds in a kilogram. Miriam converted 7 kilograms to ounces, but her answer is not correct. What is the best explanation of her error?

Question illustration
A
Miriam set up the problem correctly but made a multiplication error.
B
Miriam multiplied correctly, but her second fraction should be .
Option B
C
Miriam multiplied correctly, but her third fraction should be .
Option C
D
Miriam is missing a fraction that is needed to convert the 7 kilograms to pounds.
5

Which pair of rational numbers are equivalent?

A
and 0.3
Option A
B
and 0.25
Option B
C
and 0.833...
Option C
D
and 0.09
Option D
6

Which is a complete list of factors of each term in the expression ?

Question illustration
A
16a: 1, 2, 4, 8, 1618ab: 1, 2, 3, 6, 9, 18
B
16a: 1, 2, 4, 8, 16, a18ab: 1, 2, 3, 6, 9, 18, b
C
16a: 2, 4, 8, a18ab: 2, 3, 6, 9, a, b
D
16a: 1, 2, 4, 8, 16, a18ab: 1, 2, 3, 6, 9, 18, a, b
9

Which statements about the factors of the terms in the expression are true? Select three options.

Question illustration
A
The factors common to 20a and 15ab are 1, 5, a, and b.
B
The factors common to 20a and 15ab are 1, 5, and a.
C
The factors common to 20a and 24b are 1, 2, and 4.
D
The GCF of the expression is ab.
E
The GCF of the expression is 1
10

Charles factors the expression using a factor of . He writes the factored expression as . Which best describes the accuracy of Charles’s solution?

Question illustration
A
His solution is accurate.
B
His solution is inaccurate. The factor does not divide evenly into both terms.
C
His solution is inaccurate. The factoring of using the given GCF is incorrect.
Option C
D
His solution is inaccurate. The factoring of using the given GCF is incorrect.
Option D
11

Ashad is rewriting the expression as a product. Which statements about the expression are accurate and relevant to his rewriting the expression? Select three options.

Question illustration
A
The GCF of the numbers in each term in the expression is 2.
B
The GCF of the numbers in each term in the expression is 4.
C
The GCF of the variables in each term in the expression is a.
D
The factored form of the expression is .
Option D
E
The factored form of the expression is .
Option E
13

Amira needs feet of fencing material to make a fence for her small garden. Which number represents the additive inverse of this number?

Question illustration
A
Negative 24 and StartFraction 3 over 10 EndFraction
Option A
B
Negative 24
Option B
C
StartFraction 3 over 10 EndFraction
Option C
D
24 and StartFraction 3 over 10 EndFraction
Option D
14

Which expression is equivalent to ?

Question illustration
A
mc004-2.jpg
Option A
B
mc004-3.jpg
Option B
C
mc004-4.jpg
Option C
D
mc004-5.jpg
Option D

Did you find these answers helpful?