Quadratic Formula and Simplification

Quadratic Formula and Simplification

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains how to solve a quadratic equation using the quadratic formula. It begins by identifying the coefficients a, b, and c in the equation. The tutorial then demonstrates how to substitute these values into the quadratic formula and simplify the expression. The process includes simplifying the square root of 48 and breaking down the solution into two parts, resulting in the final simplified solution for x.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 'a' in the quadratic equation given in the video?

8

1

4

0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed after substituting the coefficients into the quadratic formula?

Simplification

Addition

Division

Multiplication

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 64 minus 16 in the context of the quadratic formula?

48

50

32

64

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the square root of 48 simplified in the video?

8√3

2√3

16√3

4√3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the final solutions for x after simplification?

-4 ± 2√3

-8 ± 4√3

-6 ± 3√3

-2 ± √3