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What is the equation to a line with an x interceptof -1 and a y intercept of 2?
Wiki User
∙ 9y ago
X intercept of -1 means that the line passes through (-1,0)
y intercept of 2 means that the line passes though (0,2)
The equation of this line is
(y - y1) = [(y2 - y1)/(x2 - x1)] x (x - x1), that is
y - 0 = [(2 - 0)/(0 + 1)] x (x +1), that is
y = (2) x (x +1) or
y = 2x + 2
Verification: In the equation y = 2x + 2
1) substitute -1 for x and y evaluates to 0;
2) substitute 0 for x in the equation and you get y as 2
which means this line passes through (-1,0) and (0,2)
Wiki User
∙ 9y ago
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