Gre Math

Front 1

2^3

Back 1

8

Front 2

2^4

Back 2

16

Front 3

2^5

Back 3

32

Front 4

2^6

Back 4

64

Front 5

3^3

Back 5

27

Front 6

3^4

Back 6

81

Front 7

4^3

Back 7

64

Front 8

5^3

Back 8

125

Front 9

11^2

Back 9

121

Front 10

12^2

Back 10

144

Front 11

13^2

Back 11

169

Front 12

14^2

Back 12

196

Front 13

15^2

Back 13

225

Front 14

16^2

Back 14

256

Front 15

20^2

Back 15

400

Front 16

25^2

Back 16

625

Front 17

square root of 2

Back 17

1.4

Front 18

square root of 3

Back 18

1.7

Front 19

square root of 5

Back 19

2.2

Front 20

a^n x a^m

Back 20

a^n+m

Front 21

a^n/a^m

Back 21

a^n-m

Front 22

(a^n)^m

Back 22

a^nm

Front 23

(a/b)^n

Back 23

a^n/b^n

Front 24

(ax)^n

Back 24

a^n (x^n)

Front 25

square root of a/b

Back 25

square root of a/square root of b

Front 26

square root of ab

Back 26

square root of a (square root of b)

Front 27

(a^2 + b^2)

Back 27

(a+b) (a-b)

Front 28

(a+b)^2

Back 28

a^2 + 2ab + b^2

Front 29

(a-b)^2

Back 29

a^2 - 2ab +b^2

Front 30

area of a triangle

Back 30

1/2 bh

Front 31

pythagorean theorem

Back 31

a^2 + b^2 = c^2 (for right triangles)

Front 32

area of a circle

Back 32

(pi)r^2

Front 33

circumference

Back 33

(pi)d or 2(pi)r

Front 34

length of an arc

Back 34

(x/360) x 2(pi)r (x = measure of arc)

Front 35

pi

Back 35

3.14 or 22/7

Front 36

surface area of a cube

Back 36

6a^2 (a = edge length)

Front 37

volume

Back 37

l x w x h

Front 38

distance between coordinates

Back 38

square root of (x1 - x2)^2 + (y1 - y2)^2

Front 39

midpoint between coordinates

Back 39

{(x1 + x2)/2, (y1 + y2)/2}

Front 40

slope of a line

Back 40

(y1 - y2)/(x1 - x2) (x1 cannot = x2)