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How do you find the intercepts to the equation x2 plus y-49 equals 0?
Gbak50
x2 + y - 49 = 0
At the x-intercepts, y=0:
x2 - 49 = 0
(x+7)(x-7) = 0
x = -7 and x = +7
At the y-intercept, x=0:
y - 49 = 0
y = 49
General Solution
set x=0 to find your y-intercept and set y=0 to find your x-intercept. That's how you will always find your intercepts, no matter what the equation is.
Ex. So if you find that when x=0, y=a, then the y-intercept is at the point (0,a).
Similarly, if you find that when y=0, x=b, then the x-intercept is at the point (b,0).
You can solve any problem from here.
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