In f(x) = a(x - p)(x - q), what does "a" tell us?
Modeling Quadratic Functions

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The slope
If the Parabola opens up or down
x coordinate of the x - intercept
y coordinate of the y - intercept
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jack is throwing a baseball. What is the highest in the air the ball will get?
y-intercept
vertex
plug in a value for x
x-intercept
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The profit that a company makes selling an item depends on the price of the item. If x is the price of the item, then 3 equivalent forms for the profit are standard form, vertex form, and factored form. Which form best reveals the prices that give a profit of $0?
Standard: -2x2 + 16x - 24
Vertex: -2(x - 4)2 + 8
Factored: -2(x - 6)(x - 2)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The profit that a company makes selling an item depends on the price of the item. If x is the price of the item, then 3 equivalent forms for the profit are standard form, vertex form, and factored form. Which form best reveals the price that gives the maximum profit?
Standard: -2x2 + 16x - 24
Vertex: -2(x - 4)2 + 8
Factored: -2(x - 6)(x - 2)
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following statements are true about the graph? Select all that apply..
The graph has a minimum.
The graph has a maximum
The graph has y-intercepts at (-4,0) and (0,0).
The vertex is located at (-2,4).
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following statements are true about the graph? Select all that apply.
The graph has zeros of -4 and 0.
The solution of the quadratic function represented by the graph is (-2,4).
The y-intercept of the graph is (0,0).
One solution of the quadratic function represented by the graph is (-4,0).
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following equations best represents the graph?
y = x(x + 4)
y = x(x - 4)
y = -x(x - 4)
y = -x(x + 4)
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