Question

Find the constant necessary to make a perfect square trinomial.
2c^2+7c+__

Answer 1

49/4 right

Answer 2

HI!!

Answer 3

if you want to write it as a perfect square you have to factor out the 2 first and start with \[2(x^2+\frac{7}{2}x)\]

Answer 4

take my medals

Answer 5

and then square it

Answer 6

then half of \(\frac{7}{2}\)is \(\frac{7}{4}\) square that and get \[\frac{49}{16}\]

Answer 7

the square will be \[2(x+\frac{7}{4})^2\]

Answer 8

you are correct