Question

pi/2 ???help!!!

Answer 1

@amistre64

Answer 2

well we know that pi/2 is irrational

Answer 3

3.14/2

Answer 4

pi repeats?
pi has no repetition

Answer 5

it just never terminates

Answer 6

Ok, D!

Answer 7

sounds better

Answer 8

@freckles do u know how to solve this?

Answer 9

that is a difference of squares

Answer 10

\[a^2-b^2=(a-b)(a+b)\]

Answer 11

notice 9 is 3^2
and
16z^2 is (4z)^2

Answer 12

by the way multiplication is commutative
so a^2-b^2=(a-b)(a+b)
or you can write it as (a+b)(a-b)

Answer 13

−(4z+3)(4z−3)?

Answer 14

forget the -

Answer 15

1) One question per thread, please. Far too confusing, otherwise.
2) NEVER post a question without showing YOUR work. You HAVE to have SOEMTHING or you are in the wrong class.

Answer 16

looks like you factored 16z^2-9 instead

Answer 17

example if you are still having trouble
4-1=(2-1)(2+1)

1-4=(1-2)(1+2)