Unit 2 Part 1 RETAKE (very similar to ExA Retake
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of f(1+2i) for the function f(x) = x^2 - 2x + 4?
Back
f(1+2i) = -1
2.
FLASHCARD QUESTION
Front
What is the formula for the vertex h of a quadratic function f(x) = ax^2 + bx + c?
Back
h = -\frac{b}{2a}
3.
FLASHCARD QUESTION
Front
What is the value of f(2+3i) for the function f(x) = x^2 + 4x + 7?
Back
f(2+3i) = 10 + 24i
4.
FLASHCARD QUESTION
Front
What is the correct equation for the graph that has a vertex at (3,-2) and opens upwards?
Back
y = 2|x-3|-2
5.
FLASHCARD QUESTION
Front
What is the vertex of the function f(x) = x^2 - 2x + 4?
Back
The vertex is (1, 3).
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic function?
Back
f(x) = ax^2 + bx + c, where a, b, and c are constants.
7.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a quadratic function?
Back
Set x = 0 in the function f(x) = ax^2 + bx + c.
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