Question

What is the slope of the line through the points (-6, 3) and (-7, -4)?

Answer 1

Answer: slope: 7, y-intercept: 45, equation: y=7x+45

Explanation:

y=mx+b

3=-6m+b

-4=-7m+b

subtract 1 from 2

-7=-m

m=7

-4=-49+b

b=45