Solving Using the Quadratic Formula Worksheet
Solve each equation using the quadratic equation.
Checking Your Answers
Click "Show Answer" underneath the problem to see the answer. Or click the "Show Answers" button at the bottom of the page to see all the answers at once.
Example:
Equation: x^2 + x  3.75 = 0
Answer: x = 2.5, 1.5
Quiz:

Equation: x^2  7x + 10 = 0

Equation: x^2  14x + 45 = 0

Equation: 0.25x^2  0.25x  10.5 = 0

Equation: 0.3y^2 + 0.15y  11.7 = 0

Equation: 10k^2 + 200k + 937.5 = 0

Equation: x^2  11x + 30.25

Equation: 4x^2 + 8x  77 = 0

Equation: 16y^2  8y  3 = 0

Equation: x^2  1.375x + 0.375 = 0

Equation: z^2 + 0.6z  20.16 = 0

Equation: x^2 = 15 + 2x

Equation: k^2  10k + 35 = 7k  35

Equation: 2x^2 + 5 + 20x = 20  8x^2 + x

Equation: 3 = 16p  20p^2

Equation: 8y = 0.5y^2 + 31.5

Equation: 2m + m^2 + 2.5m  2.5 = 0

Equation: n^2 + 7n + n^2  10 = 5

Equation: x^2 = 7.84

Equation: x^2  3x = 0

Equation: q^2  7.5q + 25 = q^2  7.5q
Related Pages
Solve by Using the Quadratic Equation Lesson
Brush up on your knowledge of the techniques needed to solve problems on this page.
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