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Unit Test — Unit test Answers

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Which sentence can represent the inequality ?

Question illustration
A
The quotient of a number and 4.2 is less than or equal to 21.
B
The quotient of a number and 4.2 is less than 21.
C
The quotient of 4.2 and a number is less than or equal to 21.
D
The quotient of 4.2 and a number is less than 21.
22
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Leticia spends $18.45 on a shirt. She spends at least $3.00 more than Humberto spends. If h represents the amount Humberto spends, which symbol can be used to complete the inequality below to represent this situation?

Question illustration
A
>
B
<
C
Greater-than-or-equal-to
Option C
D
Less-than-or-equal-to
Option D
23

Savannah buys a $40 gift card to her favorite smoothie shop. Each smoothie costs $4. She wants to have at least $10 left on her card at the end of this month. The inequality below relates x, the number of smoothies she could buy between now and the end of this month with her gift card balance.Which best describes the number of smoothies Savannah can buy?

Question illustration
A
She can buy from 0 to 3 smoothies, but no more.
B
She can buy from 0 to 7 smoothies, but no more.
C
She can buy from 0 to 8 smoothies, but no more.
D
She can buy from 0 to 10 smoothies, but no more.
24

Which number line shows the graph of ?

Question illustration
A
A number line going from 6 to 14. An open circle is at 11. Everything to the right of the circle is shaded.
Option A
B
A number line going from 6 to 14. A closed circle is at 11. Everything to the right of the circle is shaded.
Option B
C
A number line going from 6 to 14. An open circle is at 11. Everything to the left of the circle is shaded.
Option C
D
A number line going from 6 to 14. A closed circle is at 11. Everything to the left of the circle is shaded.
Option D
25

Miguel can use all or part of his $25 gift card to make a music purchase. Each song costs $1.50, and there is a $1.00 per account activation fee. Which inequalities can represent this situation if m is the number of songs he can buy? Select two options.

A
1 + 1.5 m less-than-or-equal-to 25
Option A
B
1 + 1.5 m greater-than 25
Option B
C
25 greater-than 1 + 1.5 m
Option C
D
1 + 1.5 m less-than 25
Option D
E
25 greater-than-or-equal-to 1 + 1.5 m
Option E
26

A sports club needs to raise at least $240 by selling chocolate bars for $3.00 each. Sebastian wants to know how many chocolate bars, c, the sports club must sell in order to reach their goal. He represented this situation as . Which graph represents this inequality?

Question illustration
A
A number line going from 718 to 722. A closed circle is at 720. Everything to the right of the circle is shaded.
Option A
B
A number line going from 718 to 722. A closed circle is at 720. Everything to the left of the circle is shaded.
Option B
C
A number line going from 78 to 82. A closed circle is at 80. Everything to the right of the circle is shaded.
Option C
D
A number line going from 78 to 82. A closed circle is at 80. Everything to the left of the circle is shaded.
Option D
27

Solve the following inequality. Which graph shows the correct solution?

Question illustration
A
A number line going from 27 to 37. An open circle is at 32. Everything to the right of the circle is shaded.
Option A
B
A number line going from 27 to 37. An open circle is at 32. Everything to the left of the circle is shaded.
Option B
C
A number line going from 3 to 13. An open circle is at 8. Everything to the left of the circle is shaded.
Option C
D
A number line going from 3 to 13. An open circle is at 8. Everything to the right of the circle is shaded.
Option D
28

The table below shows an inequality and a number by which to divide both sides. InequalityDivide each side byWhat is the resulting true inequality?

Question illustration
A
Negative 25 less-than-or-equal-to negative 27
Option A
B
Negative 25 greater-than-or-equal-to negative 27
Option B
C
25 greater-than-or-equal-to 27
Option C
D
25 less-than-or-equal-to 27
Option D
29

Which inequality is represented by this graph?

Question illustration
A
x greater-than 3
Option A
B
x greater-than-or-equal-to 3
Option B
C
x greater-than 4
Option C
D
x greater-than-or-equal-to 4
Option D
30

A mobile phone carrier charges an extra fee if a customer uses more than 500 minutes each month. Tom has already used 230 minutes this month. Which inequality can be used to determine how many more minutes Tom can use this month without going over the 500-minute limit?

A
230 + m greater-than 500
Option A
B
230 + m greater-than-or-equal-to 500
Option B
C
230 + m less-than 500
Option C
D
230 + m less-than-or-equal-to 500
Option D

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