Driftygelo23 Driftygelo23

23-05-2020
Mathematics

contestada

Which of these is a point-slope equation of the line that is perpendicular to y-25 = 2(x - 10) and passes through (-3, 7)?
A. y-7 = -1/2(x+3)
B. y- 7 = -2(x+3)
c. y + 7 = 2(x-3)
D. Y+7 =-1/2 (x-3)

Respuesta :

0AnIdiot0 0AnIdiot0

23-05-2020

Answer:

B. y-7 = 1/2(x+3)

Step-by-step explanation:

The coordinates in the question must be inverted (so -3 would become +3 and +7 would become -7)

We know that the line would be perpendicular when (x+3) is preceded by -2

You can double check this by going to a website that graphs equations and overlapping the lines.

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