Question

Part 1: Write the equation of the line that passes through the points (–1, –4) and (2, 5).

Answer 1

y=mx+b
\[m=\frac{5-(-4)}{2-(-1)}\]
\[m=\frac{9}\]
m=3
5=4(2)+b
5=8+b
-3=b
y=3x-3

Answer 2

y=3x-1

Answer 3

use the formula. .