Quadratic Word Problem Algebraically

Quadratic Word Problem Algebraically

9th - 11th Grade

12 Qs

quiz-placeholder

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Quadratic Word Problem Algebraically

Quadratic Word Problem Algebraically

Assessment

Quiz

Mathematics

9th - 11th Grade

Practice Problem

Hard

CCSS
HSF-IF.C.7A

Standards-aligned

Created by

Barbara White

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t2 +128t  
(if air resistance is neglected). When will the object reach its maximum height?

4 ft
0 seconds
0 ft
4 seconds

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How high would you jump if the equation for jumping from a cliff is:    
h(t) = -16t2 + 8t + 24?

25
24
8
26

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The function
f(t) = -5t2+20t + 60 
models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground? 

4 seconds
-2 seconds
6 seconds
9 seconds

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation 
s(t) = –16t2 + 64t + 80.
What will be the object's maximum height? 

2 ft
80 ft
144 ft
64 ft

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false:
The solution, root, x-intercept, and zero of a problem are all the same thing

True
False, because the solution and root are the same but the x-intercept and zero are different
False, because the x-intercept and root are the same but the zero and solution are different
False, they are all different

Tags

CCSS.HSF-IF.C.7A

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for solving for the Axis of Symmetry?

b2-4ac
-b(+ -) Sq Root of b2-4ac/ 2a
b/2a
-b/2a

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How fast would you reach the water if you jump of a cliff using the formula:    h(t) = -16t2 + 8t + 24?

8
1
1.5
1/4

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