Slope (m) =
=
=
= -3
y - y₁ = m(x - x₁) ; where (x₁, y₁) is the point and m is the slope
y - 15 = -3(x + 2)
y - 15 = -3x - 6
y = -3x + 9
Area of a square = (length of a side)²
64 = x²
√64 = x
8 = x
So the length of a side is 8
y=-3x + 4
Slope intercept form is y=mx+b
m = slope
b = y-intercept
If you look on the graph, you can see that 4 is the point in which it is <em>intercepted </em>on the y-axis, so that is the y-intercept. This means that b is 4.
b=4
y=-3x+4
Answer:
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Step-by-step explanation: