How do you find the x and y intercepts for $x + y = -9$ ?

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Answer 1 · 2015-11-20T07:11:27

$y(0)$ and $y(x)=0$

$y (0)$ gives you the interception with the y-axis, since $x=0$

$0 + y = -9$
$y=-9$
That gives us $(0, -9)$

$y (x) = 0$ gives us the interception with the x-axis because $y=0$ .

$x + 0 = -9$
$x = -9$

This gives us interception with x-axis at $(-9 , 0)$

How do you find the x and y intercepts for x + y = -9x + y = -9?