Solving Linear Equations and Percentages

Solving Linear Equations and Percentages

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers Unit 6 Lesson 10 cumulative practice problems. It begins with an introduction and overview, followed by solving a problem involving a 30% discount on a backpack. The tutorial then addresses calculating percent decrease in student grades. It explores methods for solving equations, including division and distribution, and solving equations with fractions using reciprocals. The video also discusses finding correct solutions to given expressions and concludes with solving a final equation using two methods.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a backpack is originally priced at $40 and is on a 30% discount, what is the final sale price?

$28

$30

$32

$35

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the percent decrease in students receiving an 'A' from 16 to 12?

(12-16)/16

(16-12)/16

(12-16)/12

(16-12)/12

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the percent decrease when the number of students receiving an 'A' drops from 16 to 12?

30%

20%

35%

25%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x if 2(x - 3) = 14?

x = 5

x = 7

x = 10

x = 12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If x - 1 = -8, what is the value of x?

x = -9

x = -7

x = -6

x = -5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression correctly solves 6(x + 4) = 20?

1/6 of (20 - 24)

16/6 = 2.67

20 - 4 = 16

20/6 - 4 = -2.67

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution for x in the equation 6(x + 4) = 20?

x = -3

x = -2/3

x = 2/3

x = 3

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