Unit Test — Unit test Answers

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Which number is rational?

A
–2.1010010001...
B
–0.8974512...
C
1.2547569...
D
5.3333333...
4

Shalina wants to write as a decimal. Which method could she use?

Question illustration
A
Divide 6 by 2.
B
Divide 2 by 6.
C
Multiply 6 by 2.
D
Multiply 2 by 6.
7

Which expression is equivalent to ?

Question illustration
A
mc008-2.jpg
Option A
B
mc008-3.jpg
Option B
C
mc008-4.jpg
Option C
D
mc008-5.jpg
Option D
9

Which shows all the like terms in the expression?

Question illustration
A
–3 and 1; 4x and –3
B
–3 and 1; 4x and 7x
C
4x and 1; 7x and –3
D
4x and –3; 1 and 7x
10

What will be the result of substituting 2 for x in both expressions below?

Question illustration
A
Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.
B
Both expressions equal 6 when substituting 2 for x because the expressions are equivalent.
C
One expression equals 5 when substituting 2 for x, and the other equals 2 because the expressions are not equivalent.
D
One expression equals 6 when substituting 2 for x, and the other equals 2 because the expressions are not equivalent.
11

The greatest common factor of each term in the expression is 4x. Which choice shows the expression written as a product?

Question illustration
A
4 x (5 x minus 4 x y)
Option A
B
4 x (5 minus 4 y)
Option B
C
4 x (5 minus 16 x y)
Option C
D
4 x (5 x minus 16 x y)
Option D
13

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

Question illustration
A
The factors common to 12x and 18xy are 1, 2, 3, 6, x, and y.
B
The factors common to 12x and 18xy are 1, 2, 3, 6, and x.
C
The factors common to 12x and 24y are 1, 2, 3, 4, 6, and 12.
D
The GCF of the expression is 6xy.
E
The GCF of the expression is 6.
14

Which expression is equivalent to ?

Question illustration
A
mc012-2.jpg
Option A
B
mc012-3.jpg
Option B
C
mc012-4.jpg
Option C
D
mc012-5.jpg
Option D
15

Which of the following repeating decimals is equivalent to ?

Question illustration
A
Negative 5.ModifyingAbove 91 with bar
Option A
B
Negative 5.ModifyingAbove 9 with bar
Option B
C
Negative 5.ModifyingAbove 19 with bar
Option C
D
Negative 5. ModifyingAbove 1 with bar
Option D
16

Which expression is equivalent to ?

Question illustration
A
mc023-2.jpg
Option A
B
mc023-3.jpg
Option B
C
mc023-4.jpg
Option C
D
mc023-5.jpg
Option D
17

Use the number line to answer the question. Which statement about graphing rational numbers is true?

Question illustration
A
The graphs of all rational numbers will be to the right of point B.
B
The graphs of all rational numbers will be to the left of point B.
C
Point D does not represent a rational number.
D
All of the points on the graph could represent rational numbers.
19

What is the value of the expression below?

Question illustration
A
17 and StartFraction 7 over 10 EndFraction
Option A
B
18 and StartFraction 9 over 10 EndFraction
Option B
C
21 and three-fourths
Option C
D
24 and one-half
Option D
20

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

Question illustration
A
15: 1, 3, 5, 1520x: 1, 2, 4, 5, 10, 20, x
B
15: 1, 3, 5, 1520x: 1, 2, 4, 5, 10, 20
C
15: 3, 520x: 4, 5, x
D
15: 1, 3, 520x: 1, 2, 4, 5, 10, x

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Unit Test — Unit test Answers — SSCR 26 Math…