Answer:
All three points belong to the line
Step-by-step explanation:
The given equation of a line is:
y = 9x - 7
We have to test if the following points lie on the graph of the line.
Point a(1,2)
Use the values x=1, y=2 and test for equality:
2 = 9(1) - 7 = 9 - 7 = 2
2 = 2
Since equality is true, point a belongs to the line.
Point b(-1,-16)
Use the values x=-1, y=-16 and test for equality:
-16 = 9(-1) - 7 = -9 - 7 = -16
-16 = -16
Since equality is true, point b belongs to the line.
Point c(0,7)
Use the values x=0, y=-7 and test for equality:
-7 = 9(0) - 7 = 0 - 7 = -7
-7 = -7
Since equality is true, point c belongs to the line.
All three points belong to the line
