1. Under a dilation, the points (-3, -4) is moved to (-15, -20). What is the scale factor of the dilation?
2 answers:
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Answer:
x = -1
Step-by-step explanation:
You can write the equation of the line by finding the slope between the points and substitute it with a point into the point slope form.
These points have a slope which is undefined. This means it is a vertical line that crosses through the x-axis at the x-coordinate of both points -1. The equation is x = -1.