MATH

sequences

100

5,8,11,14

3n+2

200

Find the nth term... 9,4,-1,-6

5n + 14

300

8,21,46,84,156.   what is the 50th term 

125301

laws of indices

100

x^-6

1/x⁶

200

A^M/N

(^M√A)^N

300

(64/27)^-1/3

3/4

400

re write... 16² x 32²  as a power of 2

2²³

solving quadratics

100

what shape does a positive quadratic make?

u

200

x²+2x-3 = 0

x=1

x= -3

300

solve  (5x+6)(2x-5)

1d.p.

x=1.9

x=-1.6

400

x² + 5x +2 = 0

x= -0.44

x= -4.56

500

(x+5)² - 15 = 0

x = -1.13

x = -8.87

because 

(x+5)² = 15

x + 5 = +- √15

x = -5 + √15

x = -5 - √15

simultaneous equations

100

3x + 2y = 12

5x + 3y = 19

x=2

y= 1/3

200

y= 3x-4

y= 1-2x

x=1

y=-1

400

xy = 12

y = x+4

x = -6 , x = 2

y = 6 , y = -2

500

x² - y² = 21

x=(y-7)

find y

y=5

random

100

find the eqation of a line with:

(1,4)(4,19)

y=5x-1

200

what is this formula used to find? √(x2-x1)² - (y2-y1)²

the length of a line (coordinate geometry)

300

what is the cosine rule?

a² = b² + c² - 2bc cosA

400

y = -5x-3

state the equation of a line that is perpendicular to this

1/5x+5

500

6!

720