Question #ceff9

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Question #ceff9

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Answer 1 · 2016-10-17T22:19:32

$y = - 2 x + 5$ $y = -2x+5$

Explanation:

The slope-intercept form of a line gives us the equation of a line with slope $m$ $m$ and $y$ $y$ -intercept $b$ $b$ as

$y = m x + b$ $y = mx+b$

(Notice that this makes sense, as an increase of $1$ $1$ by $x$ $x$ results in an increase of $m$ $m$ by $y$ $y$ , making the slope= $\frac{rise}{run}$ $"rise"/"run"$ formula result in $\frac{m}{1}$ $m/1$ , and setting $x = 0$ $x=0$ gives $y = b$ $y=b$ as the $y$ $y$ -intercept)

Plugging in $m = - 2$ $m=-2$ and $b = 5$ $b=5$ , we get the equation as

$y = - 2 x + 5$ $y = -2x+5$

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Question #ceff9

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