
Units 1-4 Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+8
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the vertex of the quadratic function f(x) = x² + 4x + 3?
Back
The vertex is (-2, -1).
2.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a quadratic function?
Back
Set x = 0 in the function and solve for f(0).
Tags
CCSS.HSF-IF.C.7A
3.
FLASHCARD QUESTION
Front
What is the profit function for a theater group that charges $12.50 per ticket and has production costs of $150?
Back
f(x) = 12.50x - 150.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
4.
FLASHCARD QUESTION
Front
What does the area of a rectangle represent in terms of its length and width?
Back
Area = Length × Width.
Tags
CCSS.3.MD.C.7B
CCSS.4.MD.A.3
5.
FLASHCARD QUESTION
Front
How do you determine the x-intercepts of a quadratic function?
Back
Set f(x) = 0 and solve for x.
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
6.
FLASHCARD QUESTION
Front
What is the area of a rectangle with length (6x - 2) and width (x - 1)?
Back
Area = 6x² - 8x + 2.
Tags
CCSS.HSA.APR.A.1
7.
FLASHCARD QUESTION
Front
What is a system of inequalities?
Back
A set of inequalities that describe a region in the coordinate plane.
Tags
CCSS.HSA.REI.D.12
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