Understanding Quadratic Functions and Their Graphs
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the direction of a parabola when the coefficient of x² is negative?
The parabola becomes a straight line.
The parabola opens upwards.
The parabola opens downwards.
The parabola does not change direction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the x-coordinate of the vertex in a quadratic function?
By using the formula A/2B.
By using the formula -A/2B.
By using the formula B/2A.
By using the formula -B/2A.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of the x-coordinate of the vertex in the given problem?
3
2
1
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding the x-coordinate, how do you determine the y-coordinate of the vertex?
By substituting the x-value into the original equation.
By adding the x-value to the original equation.
By subtracting the x-value from the original equation.
By dividing the x-value by the original equation.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum value of the quadratic function in the problem?
-8
-10
-12
-14
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