Question

Geometry/Algebra questions! quadratic equations!

Answer 1

@longjohnson

Answer 2

A perfect square
\[\sqrt{16}=4\]

Answer 3

And you can solve the quadratic by completing the square unlike 64 which gives a complex number

Answer 4

but will 16 make the equation a perfect square?

Answer 5

Yes, because unlike the rest which produce a complex number or are not perfect squares themselves...

Answer 6

okay! sorry i didnt quite understand it before. that makes sense. would you want to help on a few more too? haha

Answer 7

@longjohnson I am like halfway through this, but im stuck on the part where you factor..