How do you find the slope and $y$ $y$ -intercept of the line $- 7 x - 9 y = 27$ $-7x - 9y = 27$ ?

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How do you find the slope and $y$ $y$ -intercept of the line $- 7 x - 9 y = 27$ $-7x - 9y = 27$ ?

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Answer 1 · 2018-03-09T04:29:08

In this case our y-intercept, $b$ $b$ , is -3 and our slope, $m$ $m$ , is $- \frac{7}{9}$ $-7/9$

Explanation:

One method we could use to find both is to rewrite the equation in slope intercept form, $y = m x + b$ $y=mx+b$ , where $m$ $m$ is the slope, and $b$ $b$ is the $y$ $y$ -intercept.

$- 7 x - 9 y = 27$ $−7x−9y=27$
$- 9 y = 7 x + 27$ $-9y=7x+27$
$y = - \frac{7}{9} x - 3$ $y=-7/9x-3$

In this case our y-intercept, $b$ $b$ , is -3 and our slope, $m$ $m$ , is $- \frac{7}{9}$ $-7/9$ ! :D

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How do you find the slope and $y$ $y$ -intercept of the line $- 7 x - 9 y = 27$ $-7x - 9y = 27$ ?

1 Answer

Explanation:

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How do you find the slope and $y$ $y$ -intercept of the line $- 7 x - 9 y = 27$ $-7x - 9y = 27$ ?