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Understanding Substitution in Algebra

Understanding Substitution in Algebra

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of substitution in algebra?

To solve equations directly

To simplify expressions without numbers

To replace variables with their given values

To find the derivative of a function

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the expression is evaluated when g equals 5, and the result is 19, what is the expression?

5g - 6

4g - 1

2g + 9

3g + 4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When substituting g = 12 into the expression, the result is 40. What is the expression?

3g + 4

2g + 16

g + 28

4g - 8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a complex expression with variables d and e, if d = 1 and e = 3, what is the first step in evaluating the expression?

Ignore the values of d and e

Multiply d and e

Substitute d and e with their values

Add d and e together

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an expression where k appears twice, what should you do when substituting a value for k?

Substitute the value for k only once

Substitute the value for k each time it appears

Ignore the second occurrence of k

Use a different value for each occurrence of k

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