How do you write an equation of a line with slope 2 and y-intercept 4?

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How do you write an equation of a line with slope 2 and y-intercept 4?

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Answer 1 · 2018-04-06T12:46:25

$y = 2 x + 4$ $y=2x+4$

Explanation:

A linear equation has a standard form of:
$y = m x + c$ $y=mx+c$

Where $m$ $m$ is the gradient/slope and $c$ $c$ denotes the y-intercept.

So a line which has a slope/gradient of 2 means that $m = 2$ $m=2$ , so we replace $m$ $m$ with 2. Similarly, as it has a y-intercept of 4, means that $c = 4$ $c=4$ , so we replace $c$ $c$ with 4 in our standard form-equation.

This yields the equation:

$y = 2 x + 4$ $y=2x+4$

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How do you write an equation of a line with slope 2 and y-intercept 4?

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