Modeling Quadratic Functions

Modeling Quadratic Functions

9th Grade

10 Qs

quiz-placeholder

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Modeling Quadratic Functions

Modeling Quadratic Functions

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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

Media Image

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

Media Image

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

Media Image

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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