What is the first step in converting a quadratic function from general form to vertex form?

Vertex and Intercepts of Quadratic Functions

Interactive Video
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Mathematics
•
8th - 10th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the axis of symmetry
Identify the coefficients a, b, and c
Find the y-intercept
Graph the function
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the axis of symmetry for a quadratic function?
x = a / b
x = c / a
x = -b / 2a
x = b / 2a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the x-coordinate of the vertex for the given quadratic function?
5/2
2.5
10
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find the y-coordinate of the vertex, what should you do?
Find the derivative
Set the function equal to zero
Evaluate the function at x = 5/2
Evaluate the function at x = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the y-coordinate of the vertex for the quadratic function?
50/4
33/4
25/4
8/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the vertex form of the quadratic function given a = -1, h = 5/2, and k = 33/4?
f(x) = (x + 5/2)^2 - 33/4
f(x) = -(x + 5/2)^2 + 33/4
f(x) = (x - 5/2)^2 - 33/4
f(x) = -(x - 5/2)^2 + 33/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the graph of the quadratic function look like when a is negative?
It opens upwards
It opens downwards
It is a straight line
It is a circle
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