The y-intercept is where x = 0. Therefore, you can write:f(x) = 5(x-2)
y = 5(x-2)
... then you can replace "x" by zero, and solve for y.
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y = 5x + 2
The graphs of y = 5x - 2 and y = x - 2 will have different slopes but with the same y intercepts.
5x-2 = 3x-6 5x = 3x - 6 +2 5x = 3x - 4 5x - 3x = -4 2x = -4 x = -2
5x - 2y = 05x - 5x - 2y = 0 - 5x-2y = - 5x(-2y)/-2 = (-5x)/-2y = (5/2)x where the slope is 5/2 and the y-intercept is 0.
It is: 10x^2 -4x = 2x(5x-2)