Algebra Examples

$2 x - 2 = y$

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 $x$ .

$2 x - 2 = 0$

Step 1.2

Solve the equation.

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Step 1.2.1

Add $2$ to both sides of the equation.

$2 x = 2$

Step 1.2.2

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

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Step 1.2.2.1

Divide each term in $2 x = 2$ by $2$ .

$\frac{2 x}{2} = \frac{2}{2}$

Step 1.2.2.2

Simplify the left side.

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Step 1.2.2.2.1

Cancel the common factor of $2$ .

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Step 1.2.2.2.1.1

Cancel the common factor.

$\frac{2 x}{2} = \frac{2}{2}$

Step 1.2.2.2.1.2

Divide $x$ by $1$ .

$x = \frac{2}{2}$

Step 1.2.2.3

Simplify the right side.

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Step 1.2.2.3.1

Divide $2$ by $2$ .

$x = 1$

Step 1.3

x-intercept(s) in point form.

x-intercept(s): $(1, 0)$

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 $y$ .

$2 (0) - 2 = y$

Step 2.2

Solve the equation.

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Step 2.2.1

Rewrite the equation as $y = 2 (0) - 2$ .

$y = 2 (0) - 2$

Step 2.2.2

Simplify $2 (0) - 2$ .

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Step 2.2.2.1

Multiply $2$ by $0$ .

$y = 0 - 2$

Step 2.2.2.2

Subtract $2$ from $0$ .

$y = - 2$

Step 2.3

y-intercept(s) in point form.

y-intercept(s): $(0, - 2)$

Step 3

List the intersections.

x-intercept(s): $(1, 0)$

y-intercept(s): $(0, - 2)$

Step 4