Lesson 36 Warm Up - Dilations (Lesson 35)

Quiz by Marc Coffie

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5 questions
• Q1

What is the first step in finding the equation of a dilated line?

Plug the coordinates of the center of dilation into the given line equation.

Find the slope of a line parallel to the given line equation.

Find the slope of a line perpendicular to the given line equation.

Rewrite the given line equation in slope intercept (y = mx + b) form.

60s
• Q2
60s
• Q3
60s
• Q4
60s
• Q5

From #9 on the Homework:

Triangle ABC and point D(-2,2) are graphed on the set of axes below. Graph and label △A'B'C', the image of △ABC, aftera dilation of scale factor 2 centered at point D.

Which of the following is the correct coordinates of one of the vertices of △A'B'C'?

A' (1, 1)

C' (3, -4)

D' (-6, -1)

B' (6, 8)

60s

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