55.7k views
12 votes
Line a passed through points (-2,1) and (2,9). Which is parallel to line a?

Line a passed through points (-2,1) and (2,9). Which is parallel to line a?-example-1
User Vinch
by
3.7k points

1 Answer

4 votes

Answer:

D

Explanation:

Line A's slope: 9-1/2+2 = 8/4 = 2

y = 2x+b

y = 2x-5

If the slope of 2 lines are equal, then the lines are parallel.

User Shivkumar
by
3.2k points