Question

Part 1: Using complete sentences, explain how to find the equation of the line, in standard form and slope–intercept form, passing through (–1, 5) and (1, 9). (4 points)

Part 2: Compare the benefits of writing an equation in standard form to the benefits of writing an equation in slope–intercept form. (3 points)

Answer 1

To find the equation of straight line when we have 2 points we use this formula

here
x1=-1
x2=1
y1=5
y2=9