Question

Passes through (-2, -1), slope = 4

Answer 1

y = 4x+7

Explanation:

We can write the equation in the form

y = mx+b

where m is the slope and b is the y intercept

y = 4x+b

Substitute in the point

-1 = 4(-2) +b

-1 = -8+b

Add 8 to each side

-1+8 = -8+8+b

7 =b

Therefore

y = 4x+7