Dahnaconfident730 Dahnaconfident730

23-02-2020
Mathematics

contestada

9. Write the equation in slope-
intercept form of the line that
passes through (12, 9) and is
perpendicular to the graph of
y = -3/4x + 1.

Respuesta :

amna04352 amna04352

24-02-2020

Answer:

y = (4/3)x - 7

Step-by-step explanation:

For perpendicular lines,

m1×m2 = -1, where m1 and m2 are their gradients

m1 = -3/4

-3/4 × m2 = -1

m2 = 4/3

y = (4/3)x + c

When x = 12, y = 9

9 = (4/3)(12) + c

9 = 16 + c

c = -7

y = (4/3)x - 7

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