87.8k views
4 votes
Write the equation of a line with the given information:

Through the points (-2,27) and (2,-9)

2 Answers

1 vote
slope = (-9 -27)/(2 +2) = -36/4 = -9

y = mx + b
27 = -9(-2) + b
27 = 18 + b
b = 9

equation
y = -9x +9
User Isaaclw
by
8.5k points
0 votes
y = m x + b

m : slope
b :intercept

m = -9 - 27/ 2 +2 = -9

y = -9 x + b

27 = -18 +b

b = 45

y = -9 x + 45

User Mike Holdsworth
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories