lesson 4-3 example 4 4-3 solve. health the graph shows the ratio of careta’s height, y, to...

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4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation. Interpret the constant of variation. Understand Read the question. Write what you know. The ratio is Careta’s height to Careta’s weight.

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Page 1: Lesson 4-3 Example 4 4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation

4-3

Solve.

HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation. Interpret the constant of variation.

Understand Read the question. Write what you know.

The ratio is Careta’s height to

Careta’s weight.

Page 2: Lesson 4-3 Example 4 4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation

4-3

Plan Pick a strategy. One strategy is to make a table.

Page 3: Lesson 4-3 Example 4 4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation

4-3

Solve Use the points to make a function table.

Find the ratio of Careta’s height to her

weight, or .

Point A: =

Point C: =

Point B: =

Page 4: Lesson 4-3 Example 4 4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation

4-3

Solve The ratio is not constant.

Page 5: Lesson 4-3 Example 4 4-3 Solve. HEALTH The graph shows the ratio of Careta’s height, y, to Careta’s weight, x. Use the graph to find the constant of variation

4-3

Check Verify that the points in the table are on the graph.