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4-44.

Find the slope and y-intercept of each line below. Homework Help ✎

1. $y = −\frac { 6 } { 5 }x −7$

This equation is in $y = mx + b$ form. What do $m$ and $b$ represent?

2. $3x − 2y = 10$

Rewrite this equation in $y = mx + b$ form.

3. The line that goes through the points $(5, −2)$ and $(8, 4)$.

Graph the points and draw a slope triangle or use the slope formula to calculate the slope.

Substitute the slope ($m$) and the coordinates of one of the given points into $y = mx + b$. Then solve for $b$.