What type of graph is formed by a quadratic equation with a negative coefficient for the squared term?

Maximizing Quadratic Functions and Pricing

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Upward opening parabola
Downward opening parabola
Linear graph
Exponential graph
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation y = 96t - 16t^2, what does 't' represent?
Distance in meters
Velocity in m/s
Time in seconds
Height in feet
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many points will the arrow be at 128 ft above the ground?
Three points
Two points
One point
Four points
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the x-coordinate of the vertex of a parabola?
a/2b
b/2a
2a/b
2b/a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation y = -34t^2 + 9t, what is the maximum height the arrow reaches?
27 ft
9 ft
54 ft
36 ft
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the variable 'x' represent in the pricing strategy problem?
Number of hours worked
Variable cost
Total cost
Base charge
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the pricing strategy problem, what is the maximum value of x for the function to be maximized?
3.35
4.6
31
360
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