Unit 4 - Algebra 2 Quadratic Function Review

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•
Mathematics
•
KG - University
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a complex number?
Back
A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is the imaginary unit.
Tags
CCSS.HSN.CN.A.1
2.
FLASHCARD QUESTION
Front
What is the imaginary unit 'i'?
Back
The imaginary unit 'i' is defined as the square root of -1.
Tags
CCSS.HSN.CN.A.1
3.
FLASHCARD QUESTION
Front
Simplify: -2i^2
Back
2
Tags
CCSS.HSN.CN.A.2
4.
FLASHCARD QUESTION
Front
What is the vertex of a quadratic function in standard form?
Back
The vertex is the highest or lowest point of the parabola represented by the quadratic function.
5.
FLASHCARD QUESTION
Front
How do you find the vertex of the quadratic equation y = ax^2 + bx + c?
Back
The vertex can be found using the formula x = -b/(2a) and then substituting x back into the equation to find y.
6.
FLASHCARD QUESTION
Front
What does it mean to factor a polynomial?
Back
Factoring a polynomial means expressing it as a product of its simpler polynomials.
7.
FLASHCARD QUESTION
Front
Factor Completely: x^2 - 9
Back
(x - 3)(x + 3)
Tags
CCSS.HSA.APR.C.4
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