NC Math 1 EOC Review Packet #1
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
To solve for x, first isolate x on one side of the inequality. Subtract 2x from both sides: 3 > 2x - 3. Then add 3 to both sides: 6 > 2x. Finally, divide by 2: 3 > x or x < 3.
2.
FLASHCARD QUESTION
Front
Back
Using the distributive property (FOIL), we get: 5x * 3x + 5x * (-1) + 2 * 3x + 2 * (-1) = 15x^2 - 5x + 6x - 2 = 15x^2 + x - 2.
3.
FLASHCARD QUESTION
Front
Back
Substituting -3 into the function: f(-3) = -2(-3)^2 + 5(-3) + 4 = -2(9) - 15 + 4 = -18 - 15 + 4 = -29.
4.
FLASHCARD QUESTION
Front
Back
First, add 7x to both sides: 5 = 5x + 15. Then, subtract 15 from both sides: -10 = 5x. Finally, divide by 5: x = -2.
5.
FLASHCARD QUESTION
Front
Back
6.
FLASHCARD QUESTION
Front
Definition: Linear Equation
Back
7.
FLASHCARD QUESTION
Front
Definition: Quadratic Function
Back
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