hawkswoopergami hawkswoopergami

01-01-2018
Mathematics

contestada

Determine the equation of the line with slope –4 that passes through the point M(-2,1) .

Select one:
a. y = -4x + 7
b. y = -4x - 7
c. y = 4x + 9
d. y = -4x - 9

Respuesta :

texaschic101 texaschic101

01-01-2018

y = mx + b
slope(m) = -4
(-2,1)....x = -2 and y = 1
now sub and find b, the y int
1 = -4(-2) + b
1 = 8 + b
1 - 8 = b
-7 = b
so ur equation is : y = -4x - 7 <===

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