Understanding the Quadratic Formula Mnemonic

Understanding the Quadratic Formula Mnemonic

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces the quadratic formula, which is used to find the roots of a quadratic equation. It explains the formula in detail and provides a creative memorization technique using a story. The story helps to remember each component of the formula, making it easier for students to recall. The video concludes with a summary of the memorization method.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the quadratic formula?

To calculate the area of a triangle

To solve quadratic equations

To find the roots of a linear equation

To determine the slope of a line

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the quadratic formula is represented by 'b² - 4ac'?

The denominator

The constant term

The discriminant

The numerator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the '±' symbol in the quadratic formula indicate?

Addition only

Subtraction only

Both addition and subtraction

Multiplication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mnemonic used to memorize the quadratic formula?

A curious dog jumped over the moon

A happy cat danced all night

A wise owl flew through the forest

A negative boy could not decide if he did or didn't want to go to a radical party

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the mnemonic, what does 'a negative boy' represent?

-b

2a

4ac

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'radical party' in the mnemonic refer to?

The division

The square root

The subtraction sign

The addition sign

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the mnemonic, what does 'the boy was square' mean?

2a

4ac

-b

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