OML Search

Solve by Quadratic Formula

Objective: I can solve trinomials using the quadratic formula.


Related Topics:
More Math Worksheets



Given the trinomial or quadratic equation ax2 + bx + c, we can find the values of x by using the quadratic formula:

quadratic formula


Read the lesson on quadratic formula for more information and examples.


Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Solve the following equations using the quadratic formula.
Give your answer correct to the hundredths place.


5x2– 4x – 2 = 0
x =

2x2 + 7x + 2 = 0
x =

3x2 + 8x + 2 = 0
x =

7x2– 28x + 15 = 0
x =

5x2 + 12x + 3 = 0
x =

2x2 + 3x – 4 = 0
x =

5x2 + 30x – 18 = 0
x =

x2– 16x – 10 = 0
x =

x2– 2x – 5 = 0
x =

5x2– 8x – 30 = 0
x =





Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fraction Concoction Game

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Fact Family Game

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Number Bond Garden

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

Online Addition Subtraction Game

We hope that the free math worksheets have been helpful. We encourage parents and teachers to select the topics according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.