Quant Flashcards by Saba Mirza

Q

x^2 - y^2 = ?

A

(x + y)*(x - y)

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Q

√ (x^36)

A

x^(36/2) = x^18

square root = divide by 2
cubed root = divide by 3

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Q

x^2 + 2xy + y^2 = ?

A

(x + y)*(x + y)

OR

(x + y)^2

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Q

x^2 - 2xy + y^2 = ?

A

(x - y)*(x - y)

OR

(x - y)^2

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Q

(x - y)*(x - y) OR (x - y)^2 = ?

A

x^2 - 2xy + y^2

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Q

(x + y)*(x + y) OR (x + y)^2

= ?

A

x^2 + 2xy + y^2

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Q

(x + y)*(x - y) = ?

A

x^2 - y^2

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Q

√(x / y) = ?

A

(√x) / (√y)

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Q

1/8 = what %?

A

12.5%

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Q

2/5 = what percent?

A

40%

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Q

3/5 = what %?

A

60%

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Q

60% = what fraction?

A

3/5

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Q

75% = what fraction?

A

3/4

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Q

7/8 = what %?

A

87.5%

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Q

66% = what fraction?

A

2/3

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Q

Circumference of a circle

A

2πr

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Q

Area of a circle

A

πr^2

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Q

Area of a triangle

Study These Flashcards

A

(b*h)/2

Q

Pythagorean theorem

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A

a^2 + b^2 = c^2

right triangle only
c = hypotenuse

Q

Pythagorean triplet:

3 - ? - 5

Study These Flashcards

A

4

Q

Pythagorean triplet:

? - 12 - 13

Study These Flashcards

A

5

Q

Pythagorean triplet:

8 - 5 - ?

Study These Flashcards

A

17

Q

Pythagorean triplet:

6 - ? - 10

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A

8

Q

Pythagorean triplet:

10 - ? - 26

Study These Flashcards

A

24

Area of a parallelogram

b*h

area of a rectangle

l*w

y = mx + b m = ?

slope

y = mx + b b = ?

y-intercept

Distance formula

distance = rate * time

13^2

169

14^2

196

15^2

255

3^3

27

3^4

81

5^3

125

4^3

64

2^5

32

2^6

64

2^7

128

2^8

256

2^9

512

2^10

1024

Simplify (√b)^4

(√b)^4 = (b^1/2)^4 = (b)^(1/2*4) = b^2