Digits, Grade 8, Volume 2, Homework Helper
• 6. Ceramics A friend is helping you cut mosaic tiles. Your friend brings you four tiles. The tiles need to have the same slope as the equation y equals , 2 fifths , x . Select each tile you can use.    • 7. Multiple Representations

• a. Identify the slope triangle that can be used to find the slope of the line with the equation y equals , 1 half , x plus 7 .   • b. Draw two other triangles that can be used to find the slope of the line.

• 8. Think About the Process

• a. What is the first step to find the ratio of the rise to the run of the given triangle? • b. What is the ratio of the rise to the run of the given triangle?

• c. Draw a graph that shows the triangle that is the image of the given triangle after a dilation with center (0, 0) and a scale factor of 1 fourth .

• d. What do you know about the ratio of the rise to the run of the image triangle?

• 9. Think About the Process The slope of the given line is 1 third . One slope triangle is shown. Another slope triangle with a ratio of the rise to the run of 1 third has vertices at (9, 2) and (12, 2). • a. What do you know about the second triangle?

• b. Find the coordinates of the third vertex.

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