Question

The slope of the line that contains the points (1, -1) and (2, 3) is 4. What is the y-intercept? A. 5 B. 4 C. -4 D. -5

Answer 1

4

Explanation:

m= y2-y1

x2-x1

m= 3+1 (anything minus a negative is a positive!)

2-1

m=4