# How to Use the Quadratic Formula to Solve a Quadratic Equation

Instructions:

question 1 of 3

### Look at the choices below, which one correctly reflects the quadratic formula?

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### 2. Which of the following quadratic equations would have a negative discriminant?

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To solve quadratic equations that are unfactorable, you'll need to know how to use the quadratic formula, and this quiz/worksheet combo will allow you to better understand this formula. These practice questions will test you on the characteristics of the quadratic formula and solving quadratic equations.

## Quiz & Worksheet Goals

In these assessments, you'll be tested on:

• The correct version of the quadratic formula
• Identifying the value of a variable in the quadratic equation
• Positive and negative discriminants
• Using the quadratic formula to solve and find roots of equations

## Skills Practiced

• Reading comprehension - ensure that you draw the pertinent information on using the quadratic formula from the related lesson
• Problem solving - use your acquired knowledge to solve practice quadratic equations using the quadratic formula
• Distinguishing differences - compare and contrast topics from the lesson, such as the separate ways to solve factorable and unfactorable equations