Question

Based on the values in the table below, find the slope and y-intercept to write the equation of the line in the form y=mx+b.

x= 1, 2, 3
y= 11, 22, 33

Answer 1

y= 11x

Explanation:

find the slope: 22-11/2-1= 11/1 or 11

To find the y-intercept you can use the slope by subtracting 11 (inverse operation) from the y value of (1,11). So the y- intercept is (0,0). To write the equation plug in 11 for m and 0 for b. Since 0 has no value the equation would be y= 11x