Algebraic Expressions and Operations

Algebraic Expressions and Operations

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces algebraic expressions, equations, and related vocabulary. It explains the difference between expressions and equations, the concept of powers, bases, exponents, and variables. The tutorial covers evaluating and simplifying expressions, including combining like terms and removing grouping symbols. It emphasizes the importance of the order of operations (PEMDAS) in solving expressions and provides mnemonics to help remember the sequence. The video aims to refresh algebra knowledge and improve problem-solving skills.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of the video?

Factoring polynomials

Graphing linear equations

Simplifying algebraic expressions

Solving quadratic equations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an expression?

3x + 2y = 3 + 4y

3x = 2y

3x + 2y

3x + 2y = 9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a power in algebra?

An expression with an equal sign

A number multiplied by a variable

An expression formed by repeated multiplication of the same factor

A constant term in an equation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the base in the expression 8^4?

4

8

32

64

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a variable represent in an expression?

A constant term

One or more numbers

A fixed number

An exponent

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you evaluate an expression?

By substituting a real number for the variable

By dividing all the terms

By multiplying all the terms

By adding all the terms

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of evaluating 7x - 3x when x = 6?

42

36

18

24

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