Answer:
y = 4x
Explanation:
Slope formula: y2 - y1 / x2 - x1
4 - (-8) / 1 - (-2)
12 / 3 = 4
m = 4
y-intercept (b)
y = 4x + b
4 = 4(1) + b
4 = 4 + b
b = 0
Slope-intercept formula: y = mx + b
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