Quiz about Math Analysis - Special Factoring + HP Trivia

Question 1

8x3 + 27

Accepted Answer

(2x + 3)(4x² - 6x + 9)

Answer

(3x - 2)(9x² + 6x + 4)

Answer

(3x - 1)(9x² + 3x + 1)

Answer

(2x - 1)(4x² + 2x + 1)

Question 2

x3 - 64

Accepted Answer

(x - 4)(x² + 4x + 16)

Answer

(x - 3)(x² + 3x + 9)

Answer

(x - 5)(x² + 5x + 25)

Answer

(x + 4)(x² - 4x + 16)

Question 3

216x3+125

Accepted Answer

(6x+5)(36x²-30x+25)

Answer

6(x+5)3

Answer

(6x+5)3

Answer

(6x+5)(6x²-30x+25)

Question 4

8x3-27

Accepted Answer

(2x-3)(4x²+6x+9)

Answer

(2x+3)(4x²-6x+9)

Answer

(2x-3)(4x²+6x-9)

Answer

(2x-3)(2x²+6x+9)

Question 5

x3 - 64

Accepted Answer

(x - 4)(x² + 4x + 16)

Answer

(x - 3)(x² + 3x + 9)

Answer

(x - 5)(x² + 5x + 25)

Answer

(x + 4)(x² - 4x + 16)

Question 6

27x3 - 1

Accepted Answer

(3x - 1)(9x² + 3x + 1)

Answer

(2x - 1)(4x² + 2x + 1)

Answer

(3x - 2)(9x² + 6x + 4)

Answer

(4x + 1)(16x² + 4x + 1)

Question 7

x3 - 343

Accepted Answer

(x - 7) (x² + 7x + 49)

Answer

(x + 7) (x² - 7x + 49)

Answer

(x² + 1) (x - 343)

Answer

(x² - 343) (x + 1)

Question 8

Factor: x³+ 1

Accepted Answer

(x+1)(x²- x + 1)

Answer

(x + 1)3

Answer

(x - 1) (x² + x - 1)

Answer

(x + 1)(x² - 2x + 1)

Question 9

3x3 + 24

Accepted Answer

3(x + 2)(x²- 2x + 4)

Answer

3(x3 + 8)

Answer

3(x + 2)(x²+ 2x - 4)

Answer

3(x + 8)(x²- 8x + 64)

Question 10

2x3 + 128

Accepted Answer

2(x + 4)(x² - 4x + 16)

Answer

2(x³ + 64)

Answer

(x + 4)(x² - 4x + 16)

Answer

2(x - 4)(x² + 4x + 16)

Question 11

Factor
n² + 16n + 63

Accepted Answer

(n+7)(n+9)

Answer

(n-7)(n+4)

Answer

(n+7)(n-9)

Answer

(n-3)(n-10)

Question 12

Factor 4x²-9

Accepted Answer

(2x-3)(2x+3)

Answer

(4x-9)(4x+9)

Answer

2x-3

Answer

(2x-4.5)(2x+4.5)

Question 13

Factor 8w⁵ - 48w⁴ + 72w³

Accepted Answer

8w³ (w - 3) (w - 3)

Answer

8w³ (w + 3) (w - 3)

Answer

8w³ (w² - 6w + 9)

Answer

8w³ (w + 3) (w - 2)

Question 14

Factor Completely:
3x² + 18x +15
Hint: Factor GCF first.

Accepted Answer

3(x + 5)(x + 1)

Answer

3(x² + 6x + 5)

Answer

(x + 5)(x + 1)

Answer

Prime

Question 15

Factor p³- 3p² - 16p + 48

Accepted Answer

(p + 4) (p - 4) (p - 3)

Answer

p² ( p - 3) (p - 3)

Answer

(p² - 16) (p - 3)

Question 16

Factor completely:

$$8n^3+2n^2$$

Accepted Answer

$$2n^2\left(4n+1\right)$$

Answer

$$2n^2\left(4n-1\right)$$

Answer

$$n^2\left(8n+2\right)$$

Answer

$$3n\left(4n+1\right)$$

Question 17

Factor the following completely:

$$7r^3-8r^2+42r-48$$

Accepted Answer

$$\left(r^2+6\right)\left(7r-8\right)$$

Answer

$$\left(r^2+6\right)\left(7r+8\right)$$

Answer

$$\left(r^2+6\right)\left(r^2+8\right)$$

Answer

$$\left(r^2+6\right)\left(7r+6\right)$$

Question 18

Factor: $$3x^2+5x+2$$

Accepted Answer

(3x + 2)(x + 1)

Answer

(2x + 3)(x - 4)

Answer

(x - 1)(3x - 2)

Answer

$$\left(x^2+\ 1\right)\left(3x\ +\ 3\right)$$

Question 19

What type of "beast" is Buckbeak

Accepted Answer

Hippogriff

Answer

Hippocampus

Answer

Grindylow

Answer

Chizpurfle

Question 20

Where can an Erkling be found?

Accepted Answer

Black forest in Germany

Answer

forbidden forest

Answer

at Hogwarts

Answer

In your house

Question 21

what does a bowtruckle guard?

Accepted Answer

a wand tree

Answer

some treasure

Answer

a cow

Answer

a muggle home

Question 22

what is a puffskin's favorite food?

Accepted Answer

wizard bogies

Answer

fruit

Answer

candy

Answer

meat

Question 23

the Sphinx likes to

Accepted Answer

tell riddles

Answer

eat humans

Answer

do nothing

Answer

play soccer

Question 24

The most dangerous dragon is...

Accepted Answer

Hungarian Horntail

Answer

The Chinese Fireball

Answer

Common Welsh Green

Answer

Swedish Short-Snout

Question 25

The Fwooper song can...

Accepted Answer

Make people go crazy

Answer

Give them good luck

Answer

Give them bad luck

Answer

Nothing

Question 26

You can get out of a Grindylow's grip by ...

Accepted Answer

Breaking their fingers

Answer

Tickling them

Answer

Kicking them

Answer

Hitting them

Question 27

A Unicorn's ______________ is very valuable

Accepted Answer

horn, hair, and blood

Answer

Just Horn

Answer

Just Hair

Answer

Horn and Hair

Question 28

The Occamy's eggs are made out of.....

Accepted Answer

finest silver you could ever find

Answer

egg shell

Answer

snake skin

Answer

nice fabric

Question 29

Gnomes are prey to......

Accepted Answer

Jarvey

Answer

Glumbumble

Answer

Griffin

Answer

Graphorn

Question 30

Lobalugs live........

Accepted Answer

At the bottom of the Northern sea

Answer

In the forest

Answer

On a farm

Answer

In your house

Question 31

Crups are loyal to.......

Accepted Answer

Wizards

Answer

Muggles

Answer

Muggles and Wizards

Answer

Puffskins

Question 32

Leprechaun's like to.....

Accepted Answer

Play pranks on you

Answer

Read

Answer

Help you

Answer

Write

Question 33

Ghouls are usually.....

Accepted Answer

Becoming pets to wizards

Answer

Prone to eating humans

Answer

Pets to Trolls

Answer

Prone to sleeping in your bed

Question 34

Plimpies like to......

Accepted Answer

Bug merpepole

Answer

Eat human

Answer

Bug humans

Answer

Play pranks on merpeople

Question 35

Baby Norbert is a..........

Accepted Answer

Norwegian Ridgeback

Answer

Hungarian Horntail

Answer

Romanian Longhorn

Answer

Antipodean Opaleye

Question 36

Imps are usually confused with

Accepted Answer

Pixies

Answer

Water

Answer

Elephant

Answer

Doxy

Question 37

What is a Porlock?

Accepted Answer

A Horse-Guadian

Answer

A Cup

Answer

Horses

Answer

Fields

Question 38

Nudus resemble......

Accepted Answer

A gigantic leporard

Answer

A frog

Answer

A jack russell terrier

Answer

A cow

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