Question

Quais dos pontos pertencem a parábola y=x2-2x-3?
A)(0;-3)
B)(1;-4)
C)(1;-3)
D)(2;-3)
E)(3;0)
F)(4;-3)

Answer 1

Letra D (2 ; -3) = xa -2 xb

Answer 2

x   | y

-1  | 0

0  | -3

1   |-4

2  |-3

3  |0