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The points (2,9) and (-4,-9) are on a straight line. Calculate the x and y intercepts.

1 Answer

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Slope: (9+9)/(2+4) = 18/6 = 3
Y- intercept:
9 = 3(2) + b
9 = 6 + b
b = 3
X- intercept:
0 = 3x + 3
-3 = 3x
x = -1
x-intercept: (-1,0)
y-intercept: (0,-3)

User Kenny Worden
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