Question

For which value of x is the row in the table of values the incorrect? The function is quadric function y=5x^2

A. x=5
B. x=0
C. x=3
D. x=2

Answer 1

x = 2

Explanation:

Substitute x = 2 into y = 5x² , that is

y = 5(2)² = 5(4) = 20 ≠ 10

Thus (x, y ) = (2, 20 ) and not (2, 10 )