Question

Would the ? in 16x^2+?x+36 be 6?

Answer 1

Oops I mean 4.

Answer 2

36 is the square of ___

Answer 3

6.

Answer 4

16 is the square of ___

Answer 5

4

Answer 6

4

Answer 7

\[2\times 6\times 4 =?\]

Answer 8

48

Answer 9

you win

Answer 10

48

Answer 11

48? But why is it 48?

Answer 12

ok

Answer 13

because
\[(a+b)^2=a^2+2ab+b^2\]

Answer 14

here
\[a=2x\]
\[a^2=4x^2\]
\[b=6\]
\[b^2=36\]
and you are looking for
\[2ab\]

Answer 15

if this is a perfect square, than the vales A and C perfectly constrain the values of a and c in Ax^2+Bx+C=(ax+c)^2.

Answer 16

OH. Thank you. That helps a lot.!

Answer 17

yw