Question

Write the equation of the line that passes through the points (−1,−7) and (1,7). Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.

Answer 1

The equation of the line that passes through the points (−1,−7) and (1,7) is y = 8x + (-1). This equation is written in fully simplified point-slope form.

Answer 2

Find the slope of the line by using the equation (y2-y1)/(x2-x1). The slope you should get is 7.

Use the equation y=mx+b where m is the slope and b is your y intercept.

Plug in one of the two sets coordinates into your equation y=7x+b. You should get 0 as your y intercept.

So you should end up with y=7x.