Equations Flashcard Review
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an equivalent expression?
Back
An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.
2.
FLASHCARD QUESTION
Front
How do you simplify the expression 2x + 1 + 7x?
Back
Combine like terms: 2x + 7x = 9x, so the simplified expression is 9x + 1.
3.
FLASHCARD QUESTION
Front
What does it mean to solve for a variable?
Back
To solve for a variable means to find the value of that variable that makes the equation true.
4.
FLASHCARD QUESTION
Front
What is the first step in solving the equation 3(3x - 6) = 18?
Back
Distribute the 3: 9x - 18 = 18.
5.
FLASHCARD QUESTION
Front
What is the solution to the equation 3(3x - 6) = 18?
Back
x = 4.
6.
FLASHCARD QUESTION
Front
What does it mean when an equation has no solution?
Back
It means that there is no value for the variable that can make the equation true.
7.
FLASHCARD QUESTION
Front
What is the process of combining like terms?
Back
Combining like terms involves adding or subtracting terms that have the same variable raised to the same power.
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