Quadratic Functions Real World Problems

Quadratic Functions Real World Problems

9th Grade

13 Qs

quiz-placeholder

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Quadratic Functions Real World Problems

Quadratic Functions Real World Problems

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

CCSS
HSF-IF.C.7A

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The height of a swimmer’s dive off a 10-foot platform into a diving pool is modeled by the equation y = 2x2 − 12x + 10, where x represents the number of seconds since the swimmer left the diving board and y represents the number of feet above or below the water’s surface. What is the farthest depth below the water’s surface that the swimmer will reach?

6 feet

8 feet

10 feet

12 feet

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The height of a rocket, at selected times, is shown in the table above. Based on these data, which statement is not a valid conclusion?

The rocket was launched from a height of 180 feet.

The maximum height of the rocket occurred 3 seconds after launch.

The rocket was in the air approximately 6 seconds before hitting the ground.

The rocket was above 300 feet for approximately 2 seconds.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Morgan throws a ball up into the air. The height of the ball above the ground, in feet, is modeled by the function h(t) = −16t2 + 24t, where t represents the time, in seconds, since the ball was thrown. What is the appropriate domain for this situation?

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An archer shoots an arrow into the air such that its height at any time, t, is given by the function h(t) = -16t2 + kt + 3. If the maximum height of the arrow occurs at time t = 4, what is the value of k?

128

64

8

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The expression -4.9t2 + 50t + 2 represents the height, in meters, of a toy rocket t seconds after launch. The initial height of the rocket, in meters, is

0

2

4.9

50

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The height, y, of a ball tossed into the air can be represented by the equation y = −x2 + 10x + 3, where x is the elapsed time. What is the equation of the axis of symmetry of this parabola?

y = 5

y = -5

x = 5

x = -5

Tags

CCSS.HSF-IF.C.7A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph below shows the height, in feet, over time, in seconds, of a student's rocket. Use the graph to answer the questions below. What was the maximum height the rocket reached?

25 feet

45 feet

65 feet

85 feet

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