Graph Using a Table of Values y=4x-9

$y = 4 x - 9$

Step 1

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

$y = 4 (- 2) - 9$

Step 2

Simplify $4 (- 2) - 9$ .

Multiply $4$ by $- 2$ .

$y = - 8 - 9$

Subtract $9$ from $- 8$ .

$y = - 17$

Step 3

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

$y = 4 (- 1) - 9$

Step 4

Simplify $4 (- 1) - 9$ .

Multiply $4$ by $- 1$ .

$y = - 4 - 9$

Subtract $9$ from $- 4$ .

$y = - 13$

Step 5

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

$y = 4 (0) - 9$

Step 6

Solve the equation for $y$ .

Remove parentheses.

$y = 4 (0) - 9$

Simplify $4 (0) - 9$ .

Multiply $4$ by $0$ .

$y = 0 - 9$

Subtract $9$ from $0$ .

$y = - 9$

Step 7

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

$y = 4 (1) - 9$

Step 8

Solve the equation for $y$ .

Remove parentheses.

$y = 4 (1) - 9$

Simplify $4 (1) - 9$ .

Multiply $4$ by $1$ .

$y = 4 - 9$

Subtract $9$ from $4$ .

$y = - 5$

Step 9

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

$y = 4 (2) - 9$

Step 10

Solve the equation for $y$ .

Remove parentheses.

$y = 4 (2) - 9$

Simplify $4 (2) - 9$ .

Multiply $4$ by $2$ .

$y = 8 - 9$

Subtract $9$ from $8$ .

$y = - 1$

Step 11

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

$\begin{array}{c} x & y \\ - 2 & - 17 \\ - 1 & - 13 \\ 0 & - 9 \\ 1 & - 5 \\ 2 & - 1 \end{array}$

Step 12

Graph Using a Table of Values y=4x-9

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