
Vertex Form and Quadratic Functions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the standard form of a quadratic function considered useful?
It is simpler to graph manually.
It provides the vertex directly.
It eliminates the need for a graph.
It is easier to input into a calculator.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a quadratic function in vertex form?
f(x) = ax^2 + bx + c
f(x) = a(x - h)^2 + k
f(x) = a(x + h)^2 - k
f(x) = ax + b
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the vertex form f(x) = a(x - h)^2 + k, what does 'a' determine?
The y-intercept of the graph
The axis of symmetry
The direction of the parabola opening
The x-intercept of the graph
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a quadratic function?
f(x) = a(x + h)^2 - k
f(x) = ax + b
f(x) = a(x - h)^2 + k
f(x) = ax^2 + bx + c
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the degree of a quadratic polynomial?
Fourth degree
First degree
Third degree
Second degree
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the axis of symmetry in a quadratic function in standard form?
x = b/2a
x = -b/2a
x = -a/2b
x = a/2b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the x-coordinate of the vertex in the standard form of a quadratic function?
x = a/2b
x = -a/2b
x = -b/2a
x = b/2a
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