Which of the quadratics has a graph with only one x-intercept? A) y = 2x2 + 4 B) y = x2 - 8x + 16 C) y = 2x2 - 8x + 20 D) y = - 2 (x - 1) 2 + 2

Question

Mathematics

Brennen Grimes

18 October, 03:38

Which of the quadratics has a graph with only one x-intercept? A) y = 2x2 + 4 B) y = x2 - 8x + 16 C) y = 2x2 - 8x + 20 D) y = - 2 (x - 1) 2 + 2

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Answers (2)

Know the Answer?

Hana Padilla · Answer 1

I think its D but I'm assuming that the 2 to the right of the bracket was mistake. every quadratic equation (x^2) has two roots (2 x intercepts) so find the equation without an x^2

Koda · Answer 2

There is a math app called desmos past the graph equations and it will show you the answer. But i will comment below and tell you the answer if you don't want to