Question

5

Which of the following represents points
on the graph of y = 3x?
А (3, 6), (4, 12), (-1, -3)
B (2,6), (3,9), (1,3)
В
(4, 12), (5,8), (2, 6)
D
(-1,3), (5, 15),(-3,-9)

Answer 1

Answer: B
Explanation: Substitute x with 1, 2 and 3, we have
y = 3(1) = 3 —> (1, 3)
y = 3(2) = 6 —> (2, 6)
y = 3(3) = 9 —> (3, 9)