Pre-Algebra Lessons 99-102 and Test 12

Do you know why seven eight nine?

Pre-Algebra

Lessons 99-102 and Test 12

April 3, 2023

Cassi Riggs

Lesson 99-Taking Root

Roots and Radicals

Fill in the Blanks

Calculate: $\sqrt[2]{16}$

Fill in the Blanks

Calculate: $\sqrt[]{36}$

Fill in the Blanks

Calculate: $\sqrt[3]{64}$

Fill in the Blanks

Calculate: $\sqrt[4]{81}$

Multiple Choice

Taking a root is the sixth operation of algebra.

• True

• False

Multiple Choice

A root is shown with the symbol $$\sqrt[]{\ }$$ , which is called a radical sign.

• True

• False

Lesson 100-Undoing Powers and Roots

​Powers and Roots are inverse operations

Fill in the Blanks

Calculate: $\sqrt[]{8^2}$

Fill in the Blanks

Calculate: $\left(\sqrt[3]{27}\right)^3$

Multiple Choice

Powers and roots are inverse operations.

• True

• False

Multiple Choice

Powers can undo roots, and roots can undo powers.

• True

• False

Lesson 101- An Exponent of 1

Fill in the Blanks

Simplify: $\frac{8^8}{\text{}8^7}$ by dividing the powers.

Math Response

Simplify $$x^3\cdot x$$ by multiplying the powers.

Type answer here

Correct Answer: x^4

Deg^°

Rad

Multiple Choice

Any number raised to the first power is equal to the number itself.

• True

• False

Multiple Choice

An exponent of 1 can be used to divide powers, but never to multiply powers.

• True

• False

Lesson 102-An Exponent of 0

Any number to the power of zero will equal 1

Fill in the Blanks

Simplify: $\frac{4^9}{4^9}$

Math Response

Simplify: $$x^4\cdot x^0$$

Type answer here

Correct Answer: x^4

Deg^°

Rad

Multiple Choice

Any number with an exponent of 0 is equal to 1.

• True

• False

Multiple Choice

A number with an exponent of 0 cannot be used in any actual mathematical calculations.

• True

• False

Homework

• Lessons 99-102 and Test 2 in the Teaching Textbooks App, Please submit a screenshot on Google Classroom or Canvas

• Chapter 12 Vocabulary