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Quadratic Equations

Authored by Daniel Heflin

Mathematics

9th - 12th Grade

CCSS covered

Used 5+ times

Quadratic Equations
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16 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If given the equation

y = 3(x + 5)2 - 4,

what is the vertex of the parabola?

(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the factored form of x2 + 16x + 15

(x + 1)(x + 15)

(x + 3)(x + 5)

(x - 3)(x - 5)

(x - 1)(x + 15)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the factors of x2 + 3x - 40

(x + 10)(x - 4)

(x + 8)(x - 5)

(x + 20)(x - 2)

(x + 1)(x - 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are the x-intercepts?

x2 + 6x - 40 = 0

x = -7, 7

x = 4, -10

x = -4 +- √7

x = 10, -4

Tags

CCSS.HSA.REI.B.4

5.

MULTIPLE CHOICE QUESTION

15 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

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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) = -16t2 + 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

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the x-intercepts

x2 + 4x - 32 = 0

x = -8 , 4

x = 8 , -4

x = -8 , -4

Tags

CCSS.HSA.REI.B.4

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