Math Practice Topic: Quadratic X-Intercepts

Description: For quadratic equations, determine the x-intercepts. Assumes that you can do Quadratic Zero Equations.

Adaptive Learning Progression: Number of problems increases.

Sample Levels (out of 3)

Find the x-intercepts of each function. Separate multiple answers by commas. Example: x=-3/2,2
If there is no x-intercept, write "none".

1.
f(x) = x 2 + 5x + 16
x-intercepts:

Find the x-intercepts of each function. Separate multiple answers by commas. Example: x=-3/2,2
If there is no x-intercept, write "none".

1.
f(x) = 3x 2 + 4x + 15
x-intercepts:
2.
f(x) = x 2 - 15x - 16
x-intercepts:
3.
f(x) = x 2 - 10x + 25
x-intercepts:

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