Midterm Review (Unit 2)

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+10
Standards-aligned
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15 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. For example, if a recipe calls for 1/2 cup of lemons for every 1/4 cup of sugar, the ratio of lemons to sugar is a proportion.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
How do you solve for x in the equation -4x + 6 - 12x = -10?
Back
Combine like terms: -16x + 6 = -10. Then, subtract 6 from both sides: -16x = -16. Finally, divide by -16: x = 1.
Tags
CCSS.8.EE.C.7B
3.
FLASHCARD QUESTION
Front
What is the first step to solve the equation -12x + 3 = 51?
Back
Subtract 3 from both sides to isolate the term with x: -12x = 48.
Tags
CCSS.7.EE.B.4A
4.
FLASHCARD QUESTION
Front
How do you set up an equation for Sophie’s bowling scenario?
Back
Let x be the number of games. The total cost is $12 for entry plus $3.50 per game, so the equation is 3.50x + 12 = 65.
Tags
CCSS.HSA.CED.A.3
5.
FLASHCARD QUESTION
Front
What is the solution to the equation x = 12?
Back
The value of x is 12.
Tags
CCSS.6.EE.B.7
6.
FLASHCARD QUESTION
Front
What does 'combining like terms' mean in algebra?
Back
Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.
Tags
CCSS.7.EE.A.1
7.
FLASHCARD QUESTION
Front
What is the definition of a variable in mathematics?
Back
A variable is a symbol, often a letter, that represents a number in an equation or expression.
Tags
CCSS.6.EE.A.2B
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