Question for revision

1. solve the simultaneous equation

3x -2y = 1

9x^2 + y = 7

1. Draw the curve on graph paper and find the roots (where y = 0)

5x^3 - 3x^2 -32x - 12 = 0

1. in a ap the 20th term is 92 and the sum of the first 20 terms is 890. Find

i) the first term

ii) the common difference

iii) the sum of the first 10 terms

1. in a gp the 2nd term is 3 and the 5th term is 5.184. Find

i) the first term

ii) the sum of the first 15 terms