Hazel1432viz
Answered

A. Determine whether each of the following is a perfect square trinomial.

1.
[tex]a^{2} + 12a + 36[/tex]
2.
[tex]b^{2} + 2b + 1[/tex]
3.
[tex]c^{2} - 6c - 9[/tex]
B. Factor completely.

4.
[tex]r^{2} + 20r + 100[/tex]
5.
[tex]s^{2} - 18s + 81[/tex]

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Sagot :

Tobi9viz

Answer:

1. perfect square trinomial

2. perfect square trinomial

3. not a perfect square trinomial

perfect square trinomials always have:

positive c (ax^2 +bx+c)

b with twice the square root of c

B.

4. (r+10)^2

5. (s-9)^2