Question

Which equation is represented by the table?

x y (x, y)
0 –1 (0, –1)
1 4 (1, 4)
2 9 (2, 9)


A.
y = 5x – 1

B.
y = –3x + 3

C.
y = 3x – 4

D.
y = 3x + 3

Answer 1

1) Find the gradient of the line by using two of the points given.
2) Find the y-intercept by using either one of the points into y=mx+c
3) The eq. is, y=5x-1