I love Maths

Like terms

100

a + a 

2a

200

2a+ 2a +3a

7a

300

6x + 3x +8b

9x + 8b

400

8b² + 4b - 4b

8b²

500

2ab + 4b -6ab -2b

-4ab +2b

Index Laws

100

y x y

y²

200

y²x y³

y⁵

300

a⁴ x a⁷

a¹¹

400

a⁵/ a³

a²

500

(x³)⁴ + (x²)⁵

2x⁷

The mean

100

3, 3, 3, 3, 3

3

200

2, 4, 6, 8, 10

6

300

23, 16, 39, 44, 26, 31

29.83

400

22, 34, 44, 19, 26, 33, 24, 27, 35

29.33

500

-3, -6, 9, -12, 18, -12

-1

The Median

100

1, 2, 3, 4, 5

3

200

3, 6, 9, 11, 15, 18

10

300

13, 17, 19, 23, 27, 31,35

23

400

23, 19, 25, 21, 16, 28, 100

23

500

4, -4, 6, -8, -6, -9,

-5

Distributive Law

100

2( 2+2)

8

200

4(a +6)

4a +24

300

x(x + 9)

x² +9x

400

2a²(4 +a)

8a²+4a³

500

x²y²(3x³y - 4x²y⁵)

3x⁵y³ - 4x⁴y⁷