Quadratic Inequality Do Now 12/3

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a quadratic inequality?
Back
A quadratic inequality is an inequality that involves a quadratic expression, typically in the form ax² + bx + c < 0, ax² + bx + c > 0, etc.
2.
FLASHCARD QUESTION
Front
What does the graph of a quadratic inequality represent?
Back
The graph of a quadratic inequality represents the set of all points (x, y) that satisfy the inequality.
3.
FLASHCARD QUESTION
Front
How do you determine the direction of the inequality when graphing?
Back
The direction of the inequality (greater than or less than) determines whether the region above or below the parabola is shaded.
Tags
CCSS.HSF-IF.C.7A
4.
FLASHCARD QUESTION
Front
What is the vertex of a parabola?
Back
The vertex is the highest or lowest point of the parabola, depending on its orientation (opening upwards or downwards).
5.
FLASHCARD QUESTION
Front
How do you find the zeros of a quadratic function?
Back
The zeros can be found by setting the quadratic equation to zero and solving for x, either by factoring, using the quadratic formula, or completing the square.
Tags
CCSS.HSF-IF.C.7C
6.
FLASHCARD QUESTION
Front
What is the factored form of a quadratic equation?
Back
The factored form of a quadratic equation is expressed as y = a(x - r1)(x - r2), where r1 and r2 are the roots (zeros) of the equation.
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
7.
FLASHCARD QUESTION
Front
What does it mean if a parabola intersects the x-axis at two points?
Back
If a parabola intersects the x-axis at two points, it means the quadratic equation has two distinct real roots.
Tags
CCSS.HSF-IF.C.7A
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