How to solve a quadratic equation when b=0 - Free Math Help - solve

How to solve a quadratic equation when b=0 - Free Math Help - solve

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to find the zeros or roots of quadratic functions. It begins with an introduction to the concept of quadratic zeros and the standard form of a quadratic equation. The tutorial then demonstrates solving a simple quadratic equation without the need for factoring or using the quadratic formula. It covers the use of square roots and imaginary numbers in solutions, and explains the concept of opposite operations in mathematics. The video concludes with a summary of the methods to find the roots of quadratic functions.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of a quadratic equation?

aX^2 + bX + c = 0

aX^2 + b = 0

aX^3 + bX^2 + c = 0

aX + b = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation X^2 + 3 = 0, what is the value of the coefficient 'b'?

-3

1

3

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of taking the square root of a negative number?

A rational number

A complex number

A real number

An imaginary number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' equivalent to?

sqrt(2)

sqrt(-1)

sqrt(0)

sqrt(1)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you square a number and then take the square root?

You get an imaginary number

You get a negative number

You get zero

You get the original number