
✏️Proportional Intro Practice, Equation Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you solve the equation 5x + 7 = 12?
Back
Subtract 7 from both sides to isolate the term with x: 5x = 5, then divide by 5 to find x = 1.
3.
FLASHCARD QUESTION
Front
What is the first step in solving the equation 3y - 2 = -29?
Back
Add 2 to both sides to isolate the term with y: 3y = -27, then divide by 3 to find y = -9.
4.
FLASHCARD QUESTION
Front
How do you determine if two ratios form a proportion?
Back
Cross-multiply the ratios and check if the products are equal.
5.
FLASHCARD QUESTION
Front
What is the solution to the equation 3(x - 2) = 18?
Back
Add 6 to both sides to get 3x = 24, then divide by 3 to find x = 8.
6.
FLASHCARD QUESTION
Front
What does it mean to solve for x in an equation?
Back
To find the value of x that makes the equation true.
7.
FLASHCARD QUESTION
Front
What is the formula for finding a missing value in a proportion?
Back
If a/b = c/d, then ad = bc.
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