Graph y=-x y=2/5x-7

$y = - x$ $y = \frac{2}{5} x - 7$

Graph $y = - x$ .

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 $y = m x + b$ .

$m = - 1$

$b = 0$

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

Slope: $- 1$

y-intercept: $(0, 0)$

Slope: $- 1$

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.

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

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

Slope: $- 1$

y-intercept: $(0, 0)$

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

Slope: $- 1$

y-intercept: $(0, 0)$

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

Graph $y = \frac{2}{5} x - 7$ .

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 terms.

$y = \frac{2}{5} x - 7$

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

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

$m = \frac{2}{5}$

$b = - 7$

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

Slope: $\frac{2}{5}$

y-intercept: $(0, - 7)$

Slope: $\frac{2}{5}$

y-intercept: $(0, - 7)$

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

Reorder terms.

$y = \frac{2}{5} x - 7$

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

$\begin{array}{c} x & y \\ 0 & - 7 \\ 5 & - 5 \end{array}$

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

Slope: $\frac{2}{5}$

y-intercept: $(0, - 7)$

$\begin{array}{c} x & y \\ 0 & - 7 \\ 5 & - 5 \end{array}$

Slope: $\frac{2}{5}$

y-intercept: $(0, - 7)$

$\begin{array}{c} x & y \\ 0 & - 7 \\ 5 & - 5 \end{array}$

Plot each graph on the same coordinate system.

$y = - x$

$y = \frac{2}{5} x - 7$

Graph y=-x y=2/5x-7

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