Question

Use the quadratic function to predict y if x equals 6.
y = 2x2 − 2x − 2

y = −58
y = −60
y = 58
y = 60

Answer 1

y=2×2-2x-2
given , x=6
y=2×2-2(6)-2
y=4-2(6)-2
y=4-12-2
y=4-10
y= -6