Finite Math Examples

$2 + 9 y + 18 = 0$ , $(- 7, - 3)$

Step 1

Solve $2 + 9 y + 18 = 0$ .

Tap for more steps...

Step 1.1

Add $2$ and $18$ .

$9 y + 20 = 0$

Step 1.2

Subtract $20$ from both sides of the equation.

$9 y = - 20$

Step 1.3

Divide each term in $9 y = - 20$ by $9$ and simplify.

Tap for more steps...

Step 1.3.1

Divide each term in $9 y = - 20$ by $9$ .

$\frac{9 y}{9} = \frac{- 20}{9}$

Step 1.3.2

Simplify the left side.

Tap for more steps...

Step 1.3.2.1

Cancel the common factor of $9$ .

Tap for more steps...

Step 1.3.2.1.1

Cancel the common factor.

$\frac{9 y}{9} = \frac{- 20}{9}$

Step 1.3.2.1.2

Divide $y$ by $1$ .

$y = \frac{- 20}{9}$

Step 1.3.3

Simplify the right side.

Tap for more steps...

Step 1.3.3.1

Move the negative in front of the fraction.

$y = - \frac{20}{9}$

Step 2

Use the slope-intercept form to find the slope.

Tap for more steps...

Step 2.1

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

$y = m x + b$

Step 2.2

Using the slope-intercept form, the slope is $0$ .

$m = 0$

Step 3

The perpendicular line is vertical and the slope is undefined.

$x = - 7$

Step 4