3. Slope-Intercept Form
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Rewrite the equation in slope-intercept form.
Slope: - 3
y-intercept: - 2n
Let's start by recalling the slope-intercept form of a line.
y= mx+ b
LHS-4n=RHS-4n
.LHS /2.=.RHS /2.
Write as a difference of fractions
a* b/c=a/c* b
Put minus sign in front of fraction
Calculate quotient
Let's now identify the slope and y-intercept. y=- 3x-2n ⇔ y= - 3x+( - 2n) We see above that the slope is - 3 and the y-intercept is - 2n.