+0

0
107
1
+809

1. If we express $$x^2 + 4x + 5$$ in the form $$a(x - h)^2 + k$$, then what is $$h$$?

2. In how many different ways can $$\frac{2}{15}$$ be represented as $$\frac{1}{a} + \frac{1}{b}$$, if a and b are positive integers with $$a \ge b$$?

Aug 12, 2018

#1
0

deleted.

Aug 12, 2018
edited by Guest  Aug 12, 2018