Za'bc Zac ab
3x² 3x3 2x2
4yz7*8xy
(11) Gabic bic
Babe
PART B
1
(0)
1
6. Simplify:
b
1
a + b ab
(b)
2a + 2
a +1
1
(d)
2b
+1 a
al-1
(e)
atb
b a-ba?
-b (0)
b 1
1
(8) 1-2a + 1+2a + 1-4a? (h) 7+2 1-2 1-4v
1
1
a + 2
(0)
1
1
+
2 a + 2
7. Simplify:
a't ab a-b
(a)
a aba+b
(b) 2:1-3​

is there answer choices?

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct