6 three point and 3 two point sots.
Identity to verify:
Recall that
Divide both sides by and we get
or
So if we multiply the numerator and denominator of
by , we get
Then as long as , we can cancel terms to end up with
and establish the identity.
Explanation 9^2 + 12^2= 225 square root of 225 is 15
Answer 15
The opposite of 3.5 is -3.5