
Understanding Quadratic Functions

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

Sophia Harris
FREE Resource
Standards-aligned
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding a quadratic function given its intercepts?
Graph the function
Determine the y-intercept
Find the function in factored form
Convert it to general form
Tags
CCSS.HSF-IF.C.7A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the factored form of a quadratic function, what do R1 and R2 represent?
The x-intercepts or zeros
The coefficients of x
The vertex of the parabola
The y-intercepts
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a quadratic function has x-intercepts at -4 and 3, what is the factored form?
F(x) = A(x - 4)(x + 3)
F(x) = A(x + 4)(x - 3)
F(x) = A(x - 4)(x - 3)
F(x) = A(x + 4)(x + 3)
Tags
CCSS.HSF-IF.C.7A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the value of 'A' in the factored form of a quadratic function?
By using the y-intercept
By using the vertex
By using the axis of symmetry
By using the x-intercepts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 'A' if the y-intercept is 6 and the function is F(x) = A(x + 4)(x - 3)?
-2
-1/2
1/2
2
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final factored form of the quadratic function with intercepts -4 and 3, and y-intercept 6?
F(x) = -1/2(x + 4)(x - 3)
F(x) = 1/2(x - 4)(x + 3)
F(x) = 1/2(x + 4)(x - 3)
F(x) = -1/2(x - 4)(x + 3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of expressing a quadratic function in general form?
To determine the y-intercept
To find the x-intercepts
To simplify the function
To make it easier to graph
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a quadratic function?
a(x - r1)(x - r2)
ax^2 + bx + c
ax + b
a(x - h)^2 + k
Tags
CCSS.HSF-IF.C.7A
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you stop at the factored form of a quadratic function?
It is easier to understand
It directly shows the intercepts
It is the only form needed
It is the simplest form
Tags
CCSS.HSF-IF.C.7A
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