Question

All points on a given line have their y-coordinate as 9. What is the equation of this line? A. x + y = 9 B. x – y = 9 C. x = 9 D. y = 9 E. x + y = 0

Answer 1

It would be D.

hope it helps :)

Answer 2

D. y = 9 because it has a complete zero slope while the y-intercept of the equation is 9, so the equation is y = 9.