Find the Equation Using Point-Slope Formula (0,6) , (2,10)

$(0, 6)$ , $(2, 10)$

Step 1

Find the slope of the line between $(0, 6)$ and $(2, 10)$ using $m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$ , which is the change of $y$ over the change of $x$ .

Slope is equal to the change in $y$ over the change in $x$ , or rise over run.

$m = \frac{change in y}{change in x}$

The change in $x$ is equal to the difference in x-coordinates (also called run), and the change in $y$ is equal to the difference in y-coordinates (also called rise).

$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

Substitute in the values of $x$ and $y$ into the equation to find the slope.

$m = \frac{10 - (6)}{2 - (0)}$

Simplify.

Simplify the numerator.

Multiply $- 1$ by $6$ .

$m = \frac{10 - 6}{2 - (0)}$

Subtract $6$ from $10$ .

$m = \frac{4}{2 - (0)}$

Simplify the denominator.

Multiply $- 1$ by $0$ .

$m = \frac{4}{2 + 0}$

Add $2$ and $0$ .

$m = \frac{4}{2}$

Divide $4$ by $2$ .

$m = 2$

Step 2

Use the slope $2$ and a given point $(0, 6)$ to substitute for $x_{1}$ and $y_{1}$ in the point-slope form $y - y_{1} = m (x - x_{1})$ , which is derived from the slope equation $m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$ .

$y - (6) = 2 \cdot (x - (0))$

Step 3

Simplify the equation and keep it in point-slope form.

$y - 6 = 2 \cdot (x + 0)$

Step 4

Solve for $y$ .

Add $x$ and $0$ .

$y - 6 = 2 x$

Add $6$ to both sides of the equation.

$y = 2 x + 6$

Step 5

List the equation in different forms.

Slope-intercept form:

$y = 2 x + 6$

Point-slope form:

$y - 6 = 2 \cdot (x + 0)$

Step 6

Find the Equation Using Point-Slope Formula (0,6) , (2,10)

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