EOC Review Day 6
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a binomial?
Back
A binomial is a polynomial with two terms, typically in the form of (a + b) or (a - b).
2.
FLASHCARD QUESTION
Front
How do you factor a quadratic expression like x² - 13x - 30?
Back
To factor a quadratic expression, find two numbers that multiply to the constant term (-30) and add to the coefficient of the linear term (-13). In this case, the factors are (x + 2)(x - 15).
3.
FLASHCARD QUESTION
Front
What is the axis of symmetry in a quadratic equation?
Back
The axis of symmetry is a vertical line that divides the parabola into two mirror images. For the equation y = a(x - h)² + k, the axis of symmetry is x = h.
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 whether it opens upwards or downwards. It can be found using the formula (h, k) from the vertex form of a quadratic equation.
5.
FLASHCARD QUESTION
Front
What does the range of a quadratic function represent?
Back
The range of a quadratic function is the set of possible output values (y-values) of the function. For a downward-opening parabola, the range is typically y ≤ k, where k is the y-coordinate of the vertex.
6.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a quadratic equation?
Back
To find the y-intercept, set x = 0 in the equation and solve for y. The y-intercept is the point where the graph crosses the y-axis.
7.
FLASHCARD QUESTION
Front
What is a transformation in the context of graphing functions?
Back
A transformation is a change made to the graph of a function, such as shifting, stretching, compressing, or reflecting the graph.
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