What is the equation of the line if the line passes through (4, 4) and the y-intercept is −4.
2 answers:
Y = mx+c
m is the gradient and c is the y-intercept so
4 = m(4) + (-4)
4 = 4m - 4
4m = 8
m = 2
Ans: Y = 2x - 4
4 = 4m - 4
8 = 4m
2 = m
y = 2x - 4
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