
Review Unit 5 lessons 1 to 4
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the vertex of the parabola represented by the equation y = -x² - 4x + 12?
Back
(-2, 16)
2.
FLASHCARD QUESTION
Front
What does it mean for a graph to have a minimum?
Back
A minimum is the lowest point on the graph of a function, where the function changes from decreasing to increasing.
3.
FLASHCARD QUESTION
Front
What is the y-intercept of the equation y = -8x² + 3x - 7?
Back
(0, -7)
Tags
CCSS.HSF-IF.C.7A
4.
FLASHCARD QUESTION
Front
How do you find the vertex of a quadratic function in standard form?
Back
Use the formula x = -b/(2a) to find the x-coordinate, then substitute back to find the y-coordinate.
5.
FLASHCARD QUESTION
Front
What is the general form of a quadratic equation?
Back
y = ax² + bx + c, where a, b, and c are constants.
6.
FLASHCARD QUESTION
Front
What is the significance of the coefficient 'a' in a quadratic equation?
Back
The coefficient 'a' determines the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.
Tags
CCSS.HSF-IF.C.7A
7.
FLASHCARD QUESTION
Front
What is the axis of symmetry in a parabola?
Back
The axis of symmetry is a vertical line that divides the parabola into two mirror-image halves, given by x = -b/(2a).
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