Pre-Algebra Examples

$4 x - y = 0$

Step 1

Rewrite in slope-intercept form.

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Step 1.1

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

$y = m x + b$

Step 1.2

Subtract $4 x$ from both sides of the equation.

$- y = - 4 x$

Step 1.3

Divide each term in $- y = - 4 x$ by $- 1$ and simplify.

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Step 1.3.1

Divide each term in $- y = - 4 x$ by $- 1$ .

$\frac{- y}{- 1} = \frac{- 4 x}{- 1}$

Step 1.3.2

Simplify the left side.

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Step 1.3.2.1

Dividing two negative values results in a positive value.

$\frac{y}{1} = \frac{- 4 x}{- 1}$

Step 1.3.2.2

Divide $y$ by $1$ .

$y = \frac{- 4 x}{- 1}$

Step 1.3.3

Simplify the right side.

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Step 1.3.3.1

Move the negative one from the denominator of $\frac{- 4 x}{- 1}$ .

$y = - 1 \cdot (- 4 x)$

Step 1.3.3.2

Rewrite $- 1 \cdot (- 4 x)$ as $- (- 4 x)$ .

$y = - (- 4 x)$

Step 1.3.3.3

Multiply $- 4$ by $- 1$ .

$y = 4 x$

Step 2

Using the slope-intercept form, the y-intercept is $0$ .

$b = 0$

Step 3

y-intercept in point form.

$(0, 0)$

Step 4