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Inequalities and Their Graphs

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Inequalities and Their Graphs
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the linear inequality in standard form for this situation: The CRHS science department can spend no more than $2700 on textbooks this year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.

57x + 72y ≥ 2700

57x + 72y > 2700

57x + 72y < 2700

57x + 72y ≤ 2700

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the linear inequality in standard form for this situation: A landscaping business is purchasing plants from a nursery to finish a project. It will cost $14 each to buy each tree and $5 each to buy each bush. The landscaper wishes to keep the spending under $1000.

14x + 5y ≥ 1000

14x + 5y < 1000

14x + 5y  ≤ 1000

14x + 5y > 1000

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

x + 2y < 240

x + 2y > 240

x + 2y ≤ 240

x + 2y ≥ 240

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the linear inequality in standard form for this situation: The manager of an electronics store projects that the store should achieve more than $21,000 in revenue from TVs and DVD players every day in order to remain profitable. Tvs sell for $225 and DVD players sell for $175.

225x +175y ≤ 21,000

225x +175y ≥ 21,000

225x +175y < 21,000

225x +175y > 21,000

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Determine which options are solutions of the given inequality. Select all that apply.

A

B

C

None are solutions

Tags

CCSS.6.EE.B.5

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Determine which options are solutions of the given inequality. Select all that apply.

A

B

C

None are solutions

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Match each inequality with its graph.

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.6.EE.B.8

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