Modeling With Quadratics

Modeling With Quadratics

9th Grade

15 Qs

quiz-placeholder

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Modeling With Quadratics

Modeling With Quadratics

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA.REI.C.7, HSF-IF.C.7A

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation: h = -16t^2 + 80 About how long did it take for the balloon to hit the ground?

1.73 seconds

2.24 seconds

2.45 seconds

2.83 seconds

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A ball is thrown into the air with an upward velocity of 40ft/s. Its height h in feet after t seconds is given by the function : h(t) = -16t^2 + 40t + 10 How many seconds does it take the ball to reach its maximum height?

1.25 seconds

1.4 seconds

2.5 seconds

2 seconds

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Rafael drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds. When is the ball at ground level?

only at t = 0 seconds

only at t = 3 seconds

only at t = 9 seconds

at both t = 0 seconds and t = 3 seconds

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t2 + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?

0.5 seconds

1 second

1.5 seconds

2 seconds

3 seconds

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

How many zeros does this parabola have? 

3

2

0

1

Tags

CCSS.HSF-IF.C.7A

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Two characteristics of quadratic function p are given.

*The axis of symmetry of the graph of p is x = -3.

*Function p has exactly one zero.

Based on this information, which graph could represent p?

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.HSF-IF.C.7A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the solution(s).

(-1,7) and (0,5)

(-4,2) and (-5,8)

(-2,6) and (10,15)

(-2,4) and (6,12)

Tags

CCSS.HSA.REI.C.7

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