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QUADRATIC FUNCTION
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Solve for the discriminant -2x^2 - x - 1 = 0
-7
Solve for the discriminant 5b^2 + b - 2 = 0.
41
Solve for the discriminant f(x) = x^2 +5x + 2.
17
How many roots are there in the function f(x) = -x^2-6x - 9?
One real root
What is the vertex of the function?
(3,1)
True or False: Smaller values of a will make the parabola narrower.
False
True or False: The axis of symmetry is a line that passes through the vertex of the parabola and making two symmetrical shapes.
True
What is the constant in the given function: f(x) = -x^2 + 7x - 10?
-10
True or False: The function f(x) = x+5 is a quadratic function.
False
What is the value that affects the opening of the graph?
a
what is the formula to find the discriminant of a quadratic function?
d = b^2 - 4ac
What is the discriminant based on the given graph?
d = 0
True or False: The value of a in the given graph is greater than 0 and the d > 0.
True
From the graph, we know that the quadratic function has ... (value of a and D)
a > 0 (because the graph has a minimum point), D < 0 (because there is no x - intercept)
When a<0, so the graph of the function will have .... point
maximum
When a>0, so the graph of the function will have .... point.
minimum
What is the value of a, b, and c of : f(x) = -x^2+3x-4
a = -1, b = 3,c = -4
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