Write a function for the line that includes the points (4,-5) and (8,-7)

Question

asked May 12, 2023 171k views

2 Answers

Austin Berenyi · Answer 1 · 2023-05-12T23:24:50+0000

Answer:

f(x) = -1/2x - 3.

Explanation:

The slope of the line = ((-7 - -5) / (8 - 4)

= -2/4

= -1/2.

y - y1 = m(x - x1)

m = -1/2, x1 = 8 and y = -7 so:

y - (-7) = -1/2(x - 8)

y + 7 = -1/2x + 4

y = -1/2x - 3.