  Quiz by Tim Thomson

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Correct quiz answers unlock more play!  15 questions
• Q1
If we have the equation y=ax^2+bx+c, how can we can find the x-coordinate of the vertex?
b/2a
-a
-b/a
-b/2a
30s
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• Q2
Find the Vertex: f(x) = x^2 + 10x + 21
(-5,-4)
(10,21)
(1,10)
No Real Solution
30s
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• Q3
If given the equation y = 3(x + 5)^2 - 4, what is the vertex of the parabola?
(5, -4)
(-15, -4)
(-5, -4)
(15, -4)
30s
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• Q4
Find the Vertex: y = x^2 + 6x + 2
(-3,-7)
(1,6)
No Real Solution
(6,2)
30s
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• Q5
30s
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• Q6
30s
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• Q7
30s
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• Q8
Find the Vertex: h(x) = -3x^2 + 12x + 2
(12,2)
No Real Solution
(2,14)
(-3,12)
30s
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• Q9
The vertex of this graph is a minumum
maximum
30s
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• Q10
What is the axis of symmetry? y = -5
x = -1.5
x = 3.5
x = 1
30s
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• Q11
Given the equation for this parabola: y=(x-4)^2-3, does this parabola have a maximum or minimum value?
Minimum
Maximum
30s
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• Q12
A parabola has a vertex at (-3,2). Where is the axis of symmetry?
x = -3
y = -2
x = 3
y = 2
30s
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• Q13
When a basketball is shot, it forms an arc (also known as a parabola). When the basketball reaches it's highest point, what is that point called?
Slope
A parabola
Minimum
Maximum value
30s
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• Q14
Standard form of a quadratic equation
y=ax²+bx+c
y=x
y=x²
y=mx+b
30s
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• Q15
Without using a graphing calculator: What direction is the following equation opening? y=-3x^2-7x+8
Up
Down
30s
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