
Finding Zeros of Quadratics
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a zero of a quadratic function?
Back
A zero of a quadratic function is a value of x that makes the function equal to zero. It represents the x-intercepts of the graph.
Tags
CCSS.HSF-IF.C.7D
2.
FLASHCARD QUESTION
Front
How do you find the zeros of the quadratic equation x^2 - 3x - 10?
Back
Factor the equation: (x - 5)(x + 2) = 0. The zeros are x = 5 and x = -2.
Tags
CCSS.HSA-REI.B.4B
3.
FLASHCARD QUESTION
Front
What are the zeros of the quadratic equation x^2 + 5x - 14?
Back
The zeros are x = 2 and x = -7.
Tags
CCSS.HSA-REI.B.4B
4.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the zeros of a quadratic equation ax² + bx + c = 0.
Tags
CCSS.HSA-REI.B.4B
5.
FLASHCARD QUESTION
Front
How do you factor the quadratic x^2 + x - 2?
Back
The factored form is (x - 1)(x + 2).
6.
FLASHCARD QUESTION
Front
What is the vertex of a quadratic function?
Back
The vertex is the highest or lowest point of the parabola, found at the point (h, k) in the vertex form y = a(x - h)² + k.
7.
FLASHCARD QUESTION
Front
What does the discriminant tell you about the roots of a quadratic equation?
Back
The discriminant (b² - 4ac) indicates the nature of the roots: if > 0, two real roots; if = 0, one real root; if < 0, no real roots.
Tags
CCSS.HSA-REI.B.4B
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