Science Quiz / Quadratic Functions

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Can you answer the review questions about quadratic functions?

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HintAnswer
A function whose highest exponent is 2 (a degree 2 polynomial)
The shape a quadratic function makes when graphed
The highest or lowest point of a quadratic function
Where a function crosses the x-axis (where f(x) is equal to 0)
The most roots that a quadratic function can have
The function f(x) = 2x^2 + 5x - 1 is written in what form?
Where a function crosses the y-axis (where x is equal to 0)
The function f(x) = 3(x - 5)^2 + 6 is written in this form
b^2 - 4ac
A quadratic function has 0 roots when the discriminant is...
A quadratic function has 2 roots when the discriminant is...
A quadratic function has 1 root when the discriminant is...
This is the easiest way to find roots
We can use this formula to find the roots of ANY quadratic function
HintAnswer
This method for finding roots works more often than factoring, but it's not as useful as the quadratic formula
A number in front of a variable
If the coefficient of x^2 is positive, then the parabola...
If the coefficient of x^2 is negative, then the parabola...
Can a quadratic function open sideways?
The vertex of f(x) = (x - 2)^2 - 7
When (x - h) increases, the parabola translates to the...
When (x - h) decreases, the parabola translates to the...
When k increases, the parabola translates...
When k decreases, the parabola translates...
When 'a' increases, does the parabola get wider or more narrow?
The lowest point of a parabola (the bottom)
The highest point of a parabola (the top)

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