Ch. 3 Flashcard

Flashcard
•
Mathematics
•
10th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the values of a, b, and c in the equation 4x² - 8x - 3 = 0?
Back
a = 4, b = -8, c = -3
2.
FLASHCARD QUESTION
Front
What are the green dots called in a parabola?
Back
Roots or x-intercepts
3.
FLASHCARD QUESTION
Front
Simplify the expression (11 - 3i)(2 + i) and write in standard form.
Back
25 + 5i
4.
FLASHCARD QUESTION
Front
True or false: The "solution", "zeroes", "x-intercepts", and "where a graph crosses the x-axis" of a problem are all the same thing.
Back
True
5.
FLASHCARD QUESTION
Front
What is the formula for the discriminant in a quadratic equation?
Back
b² - 4ac
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
y = ax² + bx + c
7.
FLASHCARD QUESTION
Front
What does the vertex of a parabola represent?
Back
The highest or lowest point of the parabola.
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