Algebra 2 2-2 Guided Practice: Direct Variation

by Matthew Richardson

| 10 Questions1

1

10

Solve It! You are building a roof. You mark off four equal intervals from point A to point B. Then you place vertical posts as shown in the diagram. What are the heights of the four vertical posts? Select all that apply.

0.5'

1.5'

2'

3'

4.5'

5.5'

6'

2

2

10

Problem 1 Got It?

A

B

C

D

3

3

10

Problem 1 Got It?

A

B

C

D

4

4

10

Problem 2 Got It?

A

B

C

D

5

5

10

Problem 2 Got It?

A

B

C

D

6

6

10

Problem 3 Got It?

A

B

C

D

7

10

Problem 4 Got It? The number of Calories varies directly with the mass of cheese. If 50 grams of cheese contain 200 Calories, how many Calories are in 70 grams of cheese?

220 Calories

17.5 Calories

280 Calories

180 Calories

8

10

Problem 4 Got It? Reasoning: If y² varies directly with x², does that mean y must vary directly with x?

Yes

No

9

10

Problem 4 Got It? Reasoning: Explain your response to the previous item.

10

20

Problem 5 Got It? Graph each direct variation equation on the canvas.

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