Use the graphing calculator to graph and find the zeros of the function y = 2x2 + 0.4x – 19.2. The zeros of the function are

Set the function equal to zero: 2x² + 0.4x − 19.2 = 0. Factoring gives (x + 3.2)(2x − 6) = 0, so the zeros are x = −3.2 and x = 3. The correct choice is “−3.2 and 3.”

AI-written and checked against the verified answer.