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Illustrative Math Inequalities

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Illustrative Math Inequalities
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vanessa got a $70 gift card to an online music store. She uses the gift card to buy an album for $10.99. She also wants to use the gift card to buy some songs. Each song costs $1.19.

Which of these inequalities describes this situation, where n is the number of songs Venessa wants to buy?

10.99-1.19n≥70

10.99+1.19n≥70

10.99-1.19n≤70

10.99+1.19n≤70

Tags

CCSS.7.EE.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which number line shows all the values of x that make the inequality -3x+1 > 7 true?

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Tags

CCSS.7.EE.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At midnight, the temperature in a city was 9 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius per hour.

Write an inequality that represents t, the number of hours past midnight, when the temperature was colder than -4 degrees Celsius. Explain or show your reasoning.

9 - 2t > -4

The temp. will reach -4 degrees after 7.5 hours.

9 - 2t < -4

The temp. will reach -4 degrees after 6.5 hours.

9 + 2t < -4

The temp. will reach -4 degrees before 6.5 hours.

Tags

CCSS.7.EE.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Graph the solution to the inequality: 9 - 2t < -4

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Tags

CCSS.7.EE.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Choose the correct inequality for this graph.

Tags

CCSS.HSA.REI.D.12

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Choose the correct inequality for this graph.

Tags

CCSS.HSA.REI.D.12

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Write the inequality

y>2/3x-3

y<2/3x-3

y≤2/3x-3

y≥2/3x-3

Tags

CCSS.HSA.REI.D.12

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