3 years ago

I need to find the slope-intercept form of this problem in the picture, please I need help!

1 answer:

dsp733 years ago

7 0

Take two points
(-3, -1) and (1,2)
Find slope
slope formula: m = y2 - y1 / x2 - x1
m = 2 - (-1) / 1 - (-3) = 2 + 1 / 1 + 3 = 3/4
Substitute one of the points into slope intercept form (y =mx + b) to find the y intercept.

y= mx + b
2 = 3/4(1) + b
2 = 3/4 + b
1.25 = b

So:
y = 3/4x + 1.25

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