Question

Fill in the blank for a perfect square trinomial.
4x2 + ___x + 49

Answer 1

What would you square to get 4x^2?

Answer 2

4x?

Answer 3

4x times 4x = 16x^2 not 4x^2

Answer 4

oh srry... 4x and x

Answer 5

What do you square to get 4?

Answer 6

2

Answer 7

What do you square to get x^2?

Answer 8

x

Answer 9

Then what would you square to get 4x^2?

Answer 10

2x

Answer 11

What do you square to get 49?

Answer 12

7

Answer 13

So:
(4x^2+___x+49) = (2x+7)^2
and now you can figure out what goes in the blank.

Answer 14

28 x?

Answer 15

Good job!!

Answer 16

Great! thanks!

Answer 17

yw

Answer 18

:)