Find the roots of a quadratic using the quadratic formula

Find the roots of a quadratic using the quadratic formula

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial covers solving quadratic equations by setting them to zero, identifying coefficients and constants, calculating the discriminant, and finding solutions using the quadratic formula. It emphasizes understanding the process, memorizing the formula, and simplifying solutions. The tutorial also discusses different ways to express solutions and applies the quadratic formula to various problems.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a quadratic equation?

Label the coefficients

Use the quadratic formula

Set the equation to zero

Calculate the discriminant

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a coefficient in a quadratic equation?

A

B

X

C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the discriminant help determine about a quadratic equation?

The number of solutions

The sum of solutions

The product of solutions

The type of solutions

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the quadratic formula is under the square root?

2A

B^2 - 4AC

4AC

B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the solutions of a quadratic equation be expressed?

As a set of numbers

As a single number

As a pair of numbers

As a fraction