Test Review Quadratics
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does h(10) = 0 signify in a quadratic function?
Back
It indicates that the value of the function h at x = 10 is zero, meaning (10, 0) is a point on the graph of the function where it intersects the x-axis.
2.
FLASHCARD QUESTION
Front
Calculate h(2) if h(x) = 3x^2 - 2x + 5.
Back
h(2) = 78.4.
3.
FLASHCARD QUESTION
Front
What is the value of f(-5) if f(x) = x^2 + 2x - 10?
Back
f(-5) = 3.
4.
FLASHCARD QUESTION
Front
Define a quadratic function.
Back
A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c, where a, b, and c are constants and a ≠ 0.
5.
FLASHCARD QUESTION
Front
What is the vertex of a quadratic function?
Back
The vertex is the highest or lowest point on the graph of a quadratic function, depending on whether it opens upwards or downwards.
6.
FLASHCARD QUESTION
Front
How do you find the axis of symmetry for a quadratic function?
Back
The axis of symmetry can be found using the formula x = -b/(2a), where a and b are coefficients from the quadratic equation ax^2 + bx + c.
7.
FLASHCARD QUESTION
Front
What does it mean if a quadratic function has no real roots?
Back
It means the graph of the function does not intersect the x-axis, indicating that the discriminant (b^2 - 4ac) is less than zero.
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