Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys

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Grade 8 McGraw Hill Glencoe - Answer Keys

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Extra Practice

Determine whether each table represents represents a linear or nonlinear function. Explain.

Question 18 (request help)
Copy and Solve The area of a square is a function of its perimeter. Graph the function on a separate sheet of grid paper. Explain whether the function is linear and if the graph is increasing or decreasing.
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Question 19 (request help)
Multiple Representations Recall that the circumference of a circle is equal to two times \(\pi\) times its radius and that the area of a circle is equal to \(\pi\) times the square of the radius.

a. Tables Complete the table showing the circumference and area of circles with radius r.
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Question 19 (request help)
b. Graphs Graph the ordered pairs (radius, circumference) and (radius, area) for each function on the same coordinate plane.
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Question 19 (request help)
c. Words Is the circumference of a circle a linear or nonlinear function of its radius? the area? Explain your reasoning.
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