AnswersGrade 7 MathematicsMultiplication and Division Inequalities

Multiplication and Division Inequalities — Quiz Answers

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Jose receives a 10 dollars gift card for downloading music and wants to determine how many songs he can purchase. Each downloaded song costs 1 point 1 9 dollars Write and solve an inequality to determine how many songs Jose can purchase. What does the solved inequality represent?

A
With the 10 dollars gift card, Jose can buy at most 9 songs.
B
With the 10 dollars gift card, Jose can buy at most 8 songs.
C
With the 10 dollars gift card, Jose can buy 9 or more songs.
D
With the 10 dollars gift card, Jose can buy 8 or more songs.
2
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Max correctly solved this inequality. A over negative 5 is greater than or equal to 10 A is less than or equal to negative 50 Which graph matches the inequality?

A
Image with description A number line ranges from negative 55 to negative 45 by ones. A closed circle is on negative 50. A ray is drawn from that circle pointing to the left.
B
Image with description A number line ranges from negative 55 to negative 45 by ones. A closed circle is on negative 50. A ray is drawn from that circle pointing to the right.
C
Image with description A number line ranges from negative 55 to negative 45 by ones. An open circle is on negative 50. A ray is drawn from that circle pointing to the left.
D
Image with description A number line ranges from negative 55 to negative 45 by ones. An open circle is on negative 50. A ray is drawn from that circle pointing to the right.
3

Mariya was asked to solve A over negative 13 is less than or equal to negative 16 and then graph the solution. Step Mariya’s work A over negative 13 is less than or equal to negative 16 Step 1 negative 13 times A over negative 13 is greater than or equal to negative 16 times negative 13 Step 2 A is greater than or equal to 208 Step 3 Expand Image In which step, if any, did Mariya make a mistake in her work?

A
Step 1
B
Step 2
C
Step 3
D
No mistake found
4

The table shows an inequality and a number by which to divide both sides. Inequality Divide each side by negative 125 is greater than or equal to negative 135 negative 5 What is the resulting true inequality?

A
25 is greater than or equal to 27
B
negative 25 is greater than or equal to negative 27
C
negative 25 is less than or equal to negative 27
D
25 is less than or equal to 27
5

Solve the following inequality. negative 1 half p is less than negative 16 Which graph shows the correct solution?

A
Image with description A number line ranges from 27 to 37 by ones. An open circle is on 32. A ray is drawn from that circle pointing to the right.
B
Image with description A number line ranges from 3 to 13 by ones. An open circle is on 8. A ray is drawn from that circle pointing to the left.
C
Image with description A number line ranges from 27 to 37 by ones. An open circle is on 32. A ray is drawn from that circle pointing to the left.
D
Image with description A number line ranges from 3 to 13 by ones. An open circle is on 8. A ray is drawn from that circle pointing to the right.
6

A high school coach wants to buy new athletic shorts for the 15 members of the basketball team. The coach must spend less than 200 dollars on the shorts. Which inequality represents the maximum cost of each pair, s , the coach can buy?

A
15 s is less than 200
B
15 s is less than or equal to 200
C
15 s is greater than or equal to 200
D
15 s is greater than 200
7

Solve the following inequality. negative 3 point 5 5 g is less than or equal to negative 28 point 4 Which graph shows the correct solution?

A
Image with description A number line ranges from 3 to 13 by ones. An open circle is on 8. A ray is drawn from that circle pointing to the right.
B
Image with description A number line ranges from 3 to 13 by ones. A closed circle is on 8. A ray is drawn from that circle pointing to the left.
C
Image with description A number line ranges from 3 to 13 by ones. A closed circle is on 8. A ray is drawn from that circle pointing to the right.
D
Image with description A number line ranges from 3 to 13 by ones. An open circle is on 8. A ray is drawn from that circle pointing to the left.
8

Cecilia correctly solved this inequality. 3 x is greater than 102 x is greater than 34 Which graph matches the inequality?

A
Image with description A number line ranges from 28 to 40 by ones. An open circle is on 34. A ray is drawn from that circle pointing to the left.
B
Image with description A number line ranges from 28 to 40 by ones. An open circle is on 34. A ray is drawn from that circle pointing to the right.
C
Image with description A number line ranges from 96 to 108 by ones. An open circle is on 102. A ray is drawn from that circle pointing to the right.
D
Image with description A number line ranges from 96 to 108 by ones. An open circle is on 102. A ray is drawn from that circle pointing to the left.
9

The table shows an inequality and a number by which to multiply both sides. Inequality Multiply each side by negative 2 is less than 3 negative 5 What is the resulting true inequality?

A
negative 10 is less than negative 15
B
10 is greater than negative 15
C
negative 10 is greater than negative 15
D
10 is less than negative 15
10

Jonas runs a pet store that sells guinea pigs. He wants to ensure he has more than 1 pound of dry food for every five guinea pigs he has in the store. He currently has 8 pounds of dry food and wants to know how many guinea pigs can he have in the store. Write and solve an inequality to solve this problem. What is the solution to the inequality?

A
x is greater than or equal to 40
B
x is less than or equal to 40
C
x is less than or equal to 8
D
x is greater than or equal to 8

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