Question

Check all polynomials that are perfect square trinomials:
9x2 − 6x + 1

36b2 − 24b + 8

16x2 + 24x + 9

4a2 − 10a + 25

Answer 1

The first term has to be a perfect square, the last term has to be a perfect square, and the middle term has to be twice the product of the first and last terms square root

Answer 2

1 and 8 aren’t perfect squares. The square root of 9=?

Answer 3

so is it 9x2-6x + 1 ?

Answer 4

No, the square root of 9x2= 18 not 24, so which one is it?

Answer 5

i have no idea

Answer 6

Ok the first 3 are wrong because they do not follow the rules that i posted above. The last one is the only perfect square trinomial because \[\sqrt{4}=2, \sqrt{25}=5, 5\times2=10\]

Answer 7

A. \[\sqrt{9}=3, \sqrt{1}=1, 1\times2=2\]

B. \[\sqrt{36}=6, \] and 8 cant be squared

C. \[\sqrt{16}=4, \sqrt{9}=3, 3\times2=6\]

Answer 8

so do i do check the last one ?

Answer 9

Yeah \[4a^2-10a+25\]

Answer 10

okayy thankyouu