Graph x-2y=6 y=2x

$x - 2 y = 6$ $y = 2 x$

Step 1

Graph $x - 2 y = 6$ .

Solve for $y$ .

Subtract $x$ from both sides of the equation.

$- 2 y = 6 - x$

Divide each term in $- 2 y = 6 - x$ by $- 2$ and simplify.

Divide each term in $- 2 y = 6 - x$ by $- 2$ .

$\frac{- 2 y}{- 2} = \frac{6}{- 2} + \frac{- x}{- 2}$

Simplify the left side.

Cancel the common factor of $- 2$ .

Cancel the common factor.

$\frac{- 2 y}{- 2} = \frac{6}{- 2} + \frac{- x}{- 2}$

Divide $y$ by $1$ .

$y = \frac{6}{- 2} + \frac{- x}{- 2}$

Simplify the right side.

Simplify each term.

Divide $6$ by $- 2$ .

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

Dividing two negative values results in a positive value.

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

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.

$y = m x + b$

Reorder $- 3$ and $\frac{x}{2}$ .

$y = \frac{x}{2} - 3$

Reorder terms.

$y = \frac{1}{2} x - 3$

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

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

$m = \frac{1}{2}$

$b = - 3$

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

Slope: $\frac{1}{2}$

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

Slope: $\frac{1}{2}$

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

Any line can be graphed using two points. Select two $x$ values, and plug them into the equation to find the corresponding $y$ values.

Write in $y = m x + b$ form.

Reorder $- 3$ and $\frac{x}{2}$ .

$y = \frac{x}{2} - 3$

Reorder terms.

$y = \frac{1}{2} x - 3$

Create a table of the $x$ and $y$ values.

$\begin{array}{c} x & y \\ 0 & - 3 \\ 2 & - 2 \end{array}$

Graph the line using the slope and the y-intercept, or the points.

Slope: $\frac{1}{2}$

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

$\begin{array}{c} x & y \\ 0 & - 3 \\ 2 & - 2 \end{array}$

Slope: $\frac{1}{2}$

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

$\begin{array}{c} x & y \\ 0 & - 3 \\ 2 & - 2 \end{array}$

Step 2

Graph $y = 2 x$ .

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

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

$y = m x + b$

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

$m = 2$

$b = 0$

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

Slope: $2$

y-intercept: $(0, 0)$

Slope: $2$

y-intercept: $(0, 0)$

Any line can be graphed using two points. Select two $x$ values, and plug them into the equation to find the corresponding $y$ values.

Create a table of the $x$ and $y$ values.

$\begin{array}{c} x & y \\ 0 & 0 \\ 1 & 2 \end{array}$

Graph the line using the slope and the y-intercept, or the points.

Slope: $2$

y-intercept: $(0, 0)$

$\begin{array}{c} x & y \\ 0 & 0 \\ 1 & 2 \end{array}$

Slope: $2$

y-intercept: $(0, 0)$

$\begin{array}{c} x & y \\ 0 & 0 \\ 1 & 2 \end{array}$

Step 3

Plot each graph on the same coordinate system.

$x - 2 y = 6$

$y = 2 x$

Step 4

Graph x-2y=6 y=2x

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