Find the Slope and y-intercept -6x-3y=9

$- 6 x - 3 y = 9$

Step 1

Rewrite in slope-intercept form.

The slope-intercept form is $y = m x + b$ , where $m$ is the slope and $b$ is the y-intercept.

$y = m x + b$

Add $6 x$ to both sides of the equation.

$- 3 y = 9 + 6 x$

Divide each term in $- 3 y = 9 + 6 x$ by $- 3$ and simplify.

Divide each term in $- 3 y = 9 + 6 x$ by $- 3$ .

$\frac{- 3 y}{- 3} = \frac{9}{- 3} + \frac{6 x}{- 3}$

Simplify the left side.

Cancel the common factor of $- 3$ .

Cancel the common factor.

$\frac{- 3 y}{- 3} = \frac{9}{- 3} + \frac{6 x}{- 3}$

Divide $y$ by $1$ .

$y = \frac{9}{- 3} + \frac{6 x}{- 3}$

Simplify the right side.

Simplify each term.

Divide $9$ by $- 3$ .

$y = - 3 + \frac{6 x}{- 3}$

Cancel the common factor of $6$ and $- 3$ .

Factor $3$ out of $6 x$ .

$y = - 3 + \frac{3 (2 x)}{- 3}$

Move the negative one from the denominator of $\frac{2 x}{- 1}$ .

$y = - 3 - 1 \cdot (2 x)$

Rewrite $- 1 \cdot (2 x)$ as $- (2 x)$ .

$y = - 3 - (2 x)$

Multiply $2$ by $- 1$ .

$y = - 3 - 2 x$

Reorder $- 3$ and $- 2 x$ .

$y = - 2 x - 3$

Step 2

Use the slope-intercept form to find the slope and y-intercept.

Find the values of $m$ and $b$ using the form $y = m x + b$ .

$m = - 2$

$b = - 3$

The slope of the line is the value of $m$ , and the y-intercept is the value of $b$ .

Slope: $- 2$

y-intercept: $(0, - 3)$

Slope: $- 2$

y-intercept: $(0, - 3)$

Step 3