How to graph a quadratic in vertex form

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the parameter 'a' indicate in the vertex form of a quadratic equation?
Whether the graph opens up or down
The vertical translation of the graph
The position of the vertex
The horizontal translation of the graph
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the vertex from the vertex form of a quadratic equation?
By finding the y-intercept
By calculating the axis of symmetry
By using the values of h and k
By looking at the coefficient of x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When plotting points for a quadratic in vertex form, what should you do if 'a' is not 1 or -1?
Use the same points as when 'a' is 1
Only plot the vertex
Use symmetry to reflect points across the axis
Ignore the value of 'a'
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of a negative 'a' value on the graph of a quadratic function?
The graph becomes a straight line
The graph opens upwards
The graph opens downwards
The graph shifts to the right
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you use the table of values to assist in graphing a quadratic function?
To find the x-intercepts
To calculate the maximum value
To determine the slope of the graph
To plot additional points around the vertex
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