Sophia: Solving an Equation Using the Quadratic Formula: Lesson 4

In need of a practice worksheet solving quadratic equations using the formula? Have no fear, we have one for you! This worksheet provides the formula at the top with 14 questions following using a variety of leading coefficients. 

Work your way through different quadratic equations with this problem solving resource. The worksheet has twenty problems of different difficulties to get your learners confident in solving these types of problems.

It's the video your algebra class has been waiting for - Sal explains the quadratic formula! He describes it as "one of at least the top five most useful formulas In mathematics" and recommends that it be memorized, as long as one also...

The mechanics of using the quadratic formula are clearly detailed in this example-full presentation, along with how to identify and walk through the algorithm. Step-by-step attack methods are provided with examples of several different...

Using the quadratic formula with terms that include trigonometric expressions is shown here. [3:03]

When all else fails, use the quadratic formula! A video lesson introduces the quadratic formula to scholars and then demonstrates two problems. One problem results in integer solutions, the other in irrational solutions.

[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using the quadratic formula.

Mathematicians determine the solutions of a quadratic function by looking at a graph. They use the quadratic formula to solve quadratic functions on their Ti-Nspire.

This worksheet is part of the TI-Nspire lesson on the quadratic formula. Pupils determine the solutions of a quadratic function by looking at a graph and the discriminant. They use the quadratic formula to solve quadratic functions on...

Using the quadratic formula with terms that include trigonometric expressions is shown here. This lesson is 6 of 7 in the series titled "Solving an Equation Using the Quadratic Formula."