Solving Quadratic Equations: Quadratic Formula Answers

Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply.f(x) = x2 + 6x + 8g(x) = x2 + 4x + 8h(x) = x2 – 12x + 32k(x) = x2 + 4x – 1 p(x) = 5x2 + 5x + 4t(x) = x2 – 2x – 15

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Haley substituted the values of a, b, and c into the quadratic formula below.

Where does f(x) = 3x2 – 11x – 4 intersect the x-axis?

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Use the drop-down menus to complete the statements about the function p(x) = x(x – 1) + 1.

✔ –1012

–10✔ 12

✔ –3–11 5

✔ 012

What are the values of x in the equation 4x2 + 4x – 3 = 0?

What is true about Marcus’s work? Check all that apply.

What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form?

Use the drop-down menus to complete the statements about the function p(x) = x(x – 1) + 1.