
Understanding Vertex Form of a Parabola

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the vertex form of a parabola useful for?
Determining the axis of symmetry
Calculating the area under the curve
Finding the roots of the equation
Identifying the vertex of the parabola
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the vertex form f(x) = a(x-h)² + k, what do h and k represent?
The x and y intercepts
The coefficients of x and x²
The axis of symmetry and the y-intercept
The vertex coordinates
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting a quadratic equation from standard form to vertex form?
Find the axis of symmetry
Add and subtract the same value to complete the square
Factor out the coefficient of x² if it is not 1
Divide all terms by the coefficient of x²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When completing the square, what do you do with the coefficient of the x term?
Cut it in half and square it
Double it and add to both sides
Subtract it from the constant term
Square it and add to both sides
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to factor out the coefficient of x² when it is not 1?
To find the y-intercept
To ensure the x² term has a coefficient of 1
To determine the axis of symmetry
To simplify the equation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the vertex of the parabola given by f(x) = 2(x+8)² - 5?
(8, -5)
(-8, 5)
(8, 5)
(-8, -5)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the x-coordinate of the vertex in a quadratic equation?
B/2A
-B/2A
A/2B
-A/2B
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