Fill in the blank so that 81 x squared plus___x plus 4 is a perfect square trinomial.
Question content area bottom
Part 1
5 answers
18
36 is the answer
Yes, correct! The missing term should be 36. So, the complete expression is 81x^2 + 36x + 4, which is a perfect square trinomial: (9x + 2)^2.
Fill in the blank so that 9 x squared plus___x plus 1 is a perfect square trinomial.
6
1 answer