Evaluate an expression with two variables ex 4, (2b)^2 c

Evaluate an expression with two variables ex 4, (2b)^2 c

Assessment

Interactive Video

Mathematics

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to evaluate mathematical expressions by substituting known values into variables. It demonstrates the process using variables B and C, assigning them values of 4 and 8, respectively. The tutorial walks through the calculation steps, including multiplication and squaring, to arrive at the final result.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in evaluating an expression with variables?

Dividing the expression by 2

Adding all numbers together

Substituting known values into the variables

Performing all multiplications first

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If B is 4 and C is 8, what is the expression 2 * B squared times C?

2 * 4 * 4

2 * 4 * 8

2 * 4^2 * 8

2 * 8^2 * 4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 8 squared?

128

16

32

64

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the expression 2 * 4^2 * 8?

256

512

2048

1024

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mathematical operation is performed last in the expression 2 * 4^2 * 8?

Multiplication

Division

Subtraction

Addition

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