What is the formula to calculate percent decrease?
TSIA2 Math Practice Test

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Percent Decrease = ((Original Price - Sale Price) / Original Price) * 100
2.
FLASHCARD QUESTION
Front
Back
The y-intercept is 4.
3.
FLASHCARD QUESTION
Front
If a computer is 22% off, what is the sale price in terms of the original price (c)?
Back
The sale price is 0.78c.
4.
FLASHCARD QUESTION
Front
Back
5(6x-4) is NOT equivalent.
5.
FLASHCARD QUESTION
Front
Back
The solution is x = -1.
6.
FLASHCARD QUESTION
Front
How do you find the x-intercept of a quadratic function?
Back
Set y = 0 and solve for x.
7.
FLASHCARD QUESTION
Front
What does it mean for an expression to be equivalent?
Back
Two expressions are equivalent if they have the same value for all values of the variable.
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