Graph Using a Table of Values y=7.1x+82.1

$y = 7.1 x + 82.1$

Step 1

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

$y = 7.1 (- 2) + 82.1$

Step 2

Simplify $7.1 (- 2) + 82.1$ .

Multiply $7.1$ by $- 2$ .

$y = - 14.2 + 82.1$

Add $- 14.2$ and $82.1$ .

$y = 67.9$

Step 3

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

$y = 7.1 (- 1) + 82.1$

Step 4

Simplify $7.1 (- 1) + 82.1$ .

Multiply $7.1$ by $- 1$ .

$y = - 7.1 + 82.1$

Add $- 7.1$ and $82.1$ .

$y = 75$

Step 5

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

$y = 7.1 (0) + 82.1$

Step 6

Solve the equation for $y$ .

Remove parentheses.

$y = 7.1 (0) + 82.1$

Simplify $7.1 (0) + 82.1$ .

Multiply $7.1$ by $0$ .

$y = 0 + 82.1$

Add $0$ and $82.1$ .

$y = 82.1$

Step 7

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

$y = 7.1 (1) + 82.1$

Step 8

Solve the equation for $y$ .

Remove parentheses.

$y = 7.1 (1) + 82.1$

Simplify $7.1 (1) + 82.1$ .

Multiply $7.1$ by $1$ .

$y = 7.1 + 82.1$

Add $7.1$ and $82.1$ .

$y = 89.2$

Step 9

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

$y = 7.1 (2) + 82.1$

Step 10

Solve the equation for $y$ .

Remove parentheses.

$y = 7.1 (2) + 82.1$

Simplify $7.1 (2) + 82.1$ .

Multiply $7.1$ by $2$ .

$y = 14.2 + 82.1$

Add $14.2$ and $82.1$ .

$y = 96.3$

Step 11

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

$\begin{array}{c} x & y \\ - 2 & 67.9 \\ - 1 & 75 \\ 0 & 82.1 \\ 1 & 89.2 \\ 2 & 96.3 \end{array}$

Step 12

Graph Using a Table of Values y=7.1x+82.1

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