Algebra Examples

$y = x + 8$

Step 1

Find the x-intercepts.

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Step 1.1

To find the x-intercept(s), substitute in $0$ for $y$ and solve for $x$ .

$0 = x + 8$

Step 1.2

Solve the equation.

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Step 1.2.1

Rewrite the equation as $x + 8 = 0$ .

$x + 8 = 0$

Step 1.2.2

Subtract $8$ from both sides of the equation.

$x = - 8$

Step 1.3

x-intercept(s) in point form.

x-intercept(s): $(- 8, 0)$

Step 2

Find the y-intercepts.

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Step 2.1

To find the y-intercept(s), substitute in $0$ for $x$ and solve for $y$ .

$y = (0) + 8$

Step 2.2

Solve the equation.

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Step 2.2.1

Remove parentheses.

$y = 0 + 8$

Step 2.2.2

Remove parentheses.

$y = (0) + 8$

Step 2.2.3

Add $0$ and $8$ .

$y = 8$

Step 2.3

y-intercept(s) in point form.

y-intercept(s): $(0, 8)$

Step 3

List the intersections.

x-intercept(s): $(- 8, 0)$

y-intercept(s): $(0, 8)$

Step 4