Explanation:
Problem 1.
Start at (0, -2). Go up 5 and right 2. That is a slope of 5/2.
First choice.
Problem 2.
The y-intercept is (0, -2), so b = -2.
Start at (0, -2). Go down 5 and right 2. That is a slope of -5/2.
y = mx + b
y = -5/2 x - 2
Third choice