How do you find the slope of 3x+y=7?

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How do you find the slope of 3x+y=7?

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Answer 1 · 2015-08-05T11:59:51

Slope of $3 x + y = 7$ $3x+y=7$ is $- 3$ $-3$

Explanation:

Method 1
The slope of a linear equation in standard form:
$XXXX$ $color(white)("XXXX")$ $A x + B y = C$ $Ax+By = C$
is $- \frac{A}{B}$ $-A/B$

Method 2
$3 x + y = 7$ $3x+y=7$ can be converted into slope intercept form:
$XXXX$ $color(white)("XXXX")$ $y = - 3 x + 7$ $y = -3x +7$
where a linear equation in slope-intercept form
$XXXX$ $color(white)("XXXX")$ $y = m x + b$ $y = mx +b$
$XXXX$ $color(white)("XXXX")$ $XXXX$ $color(white)("XXXX")$ has a slope of $m$ $m$
$XXXX$ $color(white)("XXXX")$ $XXXX$ $color(white)("XXXX")$ and a y-intercept of $b$ $b$

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How do you find the slope of 3x+y=7?

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