What is the formula for the perimeter of a rectangle?
Big Ideas Algebra Chapter 1 Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
P = 2l + 2w, where P is the perimeter, l is the length, and w is the width.
2.
FLASHCARD QUESTION
Front
If a rectangle has a perimeter of 182 in. and a length of 52 in., how do you find the width?
Back
Use the formula P = 2l + 2w. Rearrange to find w: w = (P/2) - l.
3.
FLASHCARD QUESTION
Front
Solve for w: P = 182 in., l = 52 in. What is w?
Back
w = 39 in.
4.
FLASHCARD QUESTION
Front
What does the absolute value symbol |x| represent?
Back
The distance of x from 0 on the number line, regardless of direction.
5.
FLASHCARD QUESTION
Front
Solve the equation: -5x = 25. What is x?
Back
x = -5.
6.
FLASHCARD QUESTION
Front
What is the distributive property?
Back
a(b + c) = ab + ac, meaning you multiply a by each term inside the parentheses.
7.
FLASHCARD QUESTION
Front
What is equivalent to 5(2x + 6)?
Back
10x + 30.
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