Arturo O. answered • 05/23/20
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y = mx + b
m = -2
y = -2x + b
0 = -2(4) + b
b = 8 (y-intercept)
y = -2x + 8
Sarah B.
asked • 08/14/18Gradient and intercept
If the gradient of a line is -2 and it has an x-intercept of 4, find the y-intercept of the line? Show all working please. Thank you.
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