Factor x2 – 8x + 15.

Which pair of numbers has a product of ac and a sum of b?
and
What is the factored form of the trinomial?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Change negative exponents to positive. then solve. round to four decimal places

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40