To canoe from the mouth of a river to a camping spot for the night, Gavin needs to paddle 8 miles against a 4 mile per hour current in the river. To model this, he writes the expression $$\frac{8}{s-4}$$ , where s is his paddling speed in miles per hour. What does this expression represent?

The time it takes Gavin to paddle 8 miles against the current

The distance Gavin needs to paddle

The speed of the current in the river

Gavin's paddling speed in miles per hour

To ski from the top of the mountain to the bottom, Sarah needs to ski 12 miles against a 3 mile per hour wind. To model this, she writes the expression $$\frac{12}{s-3}$$ , where s is her skiing speed in miles per hour. What does this expression represent?

The time it takes Sarah to ski from the top of the mountain to the bottom

The distance Sarah needs to ski

To skateboard from his house to his best friend's house, Peter needs to skateboard 4 miles against a 2 mile per hour wind. To model this, he writes the expression $$\frac{4}{s-2}$$ , where s is his skateboarding speed in miles per hour. What does this expression represent?

The time it takes Peter to skateboard to his best friend's house

The speed at which Peter skateboards

The distance between Peter's house and his best friend's house

The wind speed against which Peter skateboards

Zack got 3 strikes in his first round of bowling with his friends for a strike percentage of 30%. He wants to raise this percentage to 50% by throwing a certain number of strikes in a row. To model this, he thought of the rational expression $$\frac{x+3}{x+10}$$ . What does x represent in this expression?

The number of strikes Zack needs to make in a row

The total number of throws Zack needs to make

The number of rounds Zack has played

The number of friends Zack is playing with

Damien makes 4 baskets out of 8 shots for a goal percentage of 50%. He wants to raise this percentage to 75% by throwing a certain number of baskets in a row. To model this, he thought of the rational expression $$\frac{x+4}{x+8}$$ . What does x represent in this situation?

The number of baskets Damien needs to make in a row to reach a goal percentage of 75%

The total number of shots Damien has made

The total number of baskets Damien has made

The number of shots Damien needs to miss to reach a goal percentage of 75%

Vanessa's soccer team scored 9 goals out of 15 kicks at their last game for a goal percentage of 60%. Vanessa's coach wants to raise this percentage to 80% by kicking a certain number of goals in a row. To model this, Vanessa's coach thought of the rational expression $$\frac{x+9}{x+15}$$ . What does x represent in this expression?

The number of goals Vanessa's team needs to make in a row

The number of kicks Vanessa's team needs to score in a row

The total number of kicks Vanessa has made

The total number of goals Vanessa has scored

Enhanced Algebra - Equations Review

Authored by Jessica Graham

Mathematics

8th Grade

CCSS covered

Used 4+ times

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

$3000

$6000

$9000

$12000

Tags

CCSS.6.EE.B.7

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

0.24

0.12

0.06

0.30

Tags

CCSS.6.EE.B.7

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

24 feet

12 feet

30 feet

36 feet

Tags

CCSS.7.EE.B.4A

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x = 5

x = 3

x = 7

x = 12

Tags

CCSS.7.EE.B.4A

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

v = -10

v = -9

v = -8

v = -7

Tags

CCSS.7.EE.B.4A

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

n = -1

n = 1

n = 2

n = -2

Tags

CCSS.8.EE.C.7B

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x = 2

x = 1

x = 0

x = -2

Tags

CCSS.8.EE.C.7B

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