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Inequalities/Direct Variation

Authored by Matthew Tecklenburg

Mathematics

8th Grade

Used 10+ times

Inequalities/Direct Variation
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mike has at least $250 in his savings account. Which inequality represents this situation?

m < 250

m > 250

m ≤ 250

m ≥ 250

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zach can spend at most $100 on new cloths. Which inequality represents this situation?

s < 100

s > 100

s ≤ 100

s ≥ 100

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The Rug store installs carpet for $80 plus $9.50 per square yard of carpet. The Magic Carpet charges $120 for installation and $7.50 per square yard of carpet. Write an inequality that could be used to determine the number of square yards of carpet that need to be installed for The Rug Store to charge more than The Magic Carpet.

80+9.50x > 120+7.50x
80+9.50x < 120+7.50x
80x+9.50 > 120x+7.50
80x+9.50 < 120x+7.50

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Cody’s Gym charges a $15 fee to join and $30 per month. Tyler’s Gym charges a $30 fee to join and $20 per month. Write an inequality that could be used to determine after how many months Tyler’s gym would be a better deal.

30 + 20x < 15 + 30x
30x + 20 < 15x + 30
30 + 20x > 15 + 30x
30x + 20 > 15x + 30

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kasey has a gift card for $25. Marco has a gift card for $15. Kasey adds $3 to her gift card every month. Marco spends $2 per month of his gift card. How many months will it take until Marco has more on his gift card than Kasey?

The school band has 25 people, and the theater class has 15 people. The school band lost 2 kids per month this year, while the theater class gained 3 kids per month. How many months will it take for the theater class to have at least the same amount of kids as the band class?

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The amount of money earned on a job is directly proportional (varies directly) to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

$2
$308
$1.57
$265

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

26
3
58.5
2

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