Answer:
D Point A
Step-by-step explanation:
The vertex is where the two sides of the angles come together
A is the vertex of the angle
Step-by-step explanation:
Hope dis helps you......
Answer:
x²+6x+9=0
x²+3x+3x+9=0
x(x+3)+3(x+3)=0
(x+3)(x+3)=0
either
x+3=0
x=-3
or
x+3=0
x=-3
Step-by-step explanation:
next method
x²+6x+9=0
x²+2×x×3+3²=0
it is in formula of (x+y)²
(x+3)²=0
x+3=√0
x+3=0
x=-3
Answer:
D :3 -Your friend, Bill Cipher
Step-by-step explanation:
