What is the factored form of the expression 25x² - 9?
NC Math 1 EOC Review

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Mathematics
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8th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
(5x + 3)(5x - 3)
2.
FLASHCARD QUESTION
Front
What is the value of the expression when the input is inactive?
Back
8
3.
FLASHCARD QUESTION
Front
Sketch the graph of the function f(x) = (x - 3)(x + 3). What does it represent?
Back
This represents a parabola that opens upwards with roots at x = -3 and x = 3.
4.
FLASHCARD QUESTION
Front
What is the area of a rectangular garden with length 2x - 7 and width 3x?
Back
6x² - 21x
5.
FLASHCARD QUESTION
Front
What is the midpoint formula?
Back
The midpoint formula is: M = ((x₁ + x₂)/2, (y₁ + y₂)/2).
6.
FLASHCARD QUESTION
Front
What is the definition of a polynomial?
Back
A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.
7.
FLASHCARD QUESTION
Front
What is the difference between a monomial and a binomial?
Back
A monomial has one term, while a binomial has two terms.
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