Graph Using a Table of Values y=-x-15

$y = - x - 15$

Step 1

Substitute $- 2$ for $x$ and find the result for $y$ .

$y = - (- 2) - 15$

Step 2

Simplify $- (- 2) - 15$ .

Multiply $- 1$ by $- 2$ .

$y = 2 - 15$

Subtract $15$ from $2$ .

$y = - 13$

Step 3

Substitute $- 1$ for $x$ and find the result for $y$ .

$y = - (- 1) - 15$

Step 4

Simplify $- (- 1) - 15$ .

Multiply $- 1$ by $- 1$ .

$y = 1 - 15$

Subtract $15$ from $1$ .

$y = - 14$

Step 5

Substitute $0$ for $x$ and find the result for $y$ .

$y = - (0) - 15$

Step 6

Solve the equation for $y$ .

Remove parentheses.

$y = - (0) - 15$

Simplify $- (0) - 15$ .

Multiply $- 1$ by $0$ .

$y = 0 - 15$

Subtract $15$ from $0$ .

$y = - 15$

Step 7

Substitute $1$ for $x$ and find the result for $y$ .

$y = - (1) - 15$

Step 8

Solve the equation for $y$ .

Remove parentheses.

$y = - (1) - 15$

Simplify $- (1) - 15$ .

Multiply $- 1$ by $1$ .

$y = - 1 - 15$

Subtract $15$ from $- 1$ .

$y = - 16$

Step 9

Substitute $2$ for $x$ and find the result for $y$ .

$y = - (2) - 15$

Step 10

Solve the equation for $y$ .

Remove parentheses.

$y = - (2) - 15$

Simplify $- (2) - 15$ .

Multiply $- 1$ by $2$ .

$y = - 2 - 15$

Subtract $15$ from $- 2$ .

$y = - 17$

Step 11

This is a table of possible values to use when graphing the equation.

$\begin{array}{c} x & y \\ - 2 & - 13 \\ - 1 & - 14 \\ 0 & - 15 \\ 1 & - 16 \\ 2 & - 17 \end{array}$

Step 12

Graph Using a Table of Values y=-x-15

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