Understanding Exponents and Solving Equations

Understanding Exponents and Solving Equations

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to solve the equation 2^(5x) = √2 by converting the square root into a rational exponent. It demonstrates that both sides of the equation can be expressed with the same base, allowing the exponents to be equated. The tutorial then shows how to solve for x by manipulating the equation, ultimately finding that x equals one-tenth.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rational exponent form of the square root of 2?

2 to the power of 2

2 to the power of 3/2

2 to the power of 1/2

2 to the power of 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the bases are the same, what can be said about the exponents?

They must be different

They must be equal

They must be negative

They must be positive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What equation do we get when we equate the exponents in this problem?

5x equals 2

5x equals 0

5x equals 1

5x equals 1/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed to isolate x in the equation 5x equals 1/2?

Add 5 to both sides

Subtract 5 from both sides

Multiply both sides by 1/5

Divide both sides by 1/2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final solution for x in the equation 5x equals 1/2?

x equals 5

x equals 1/2

x equals 1/5

x equals 1/10