Answer:
(2, 1).
Step-by-step explanation:
x^2 - 4x + 5 = 0
(x - 2)^2 - 4 + 5 = 0
(x - 2)^2 + 1 = 0
The vertex is at (2, 1).
It is already simplified because there is nothing you can divide into both 18 and 25 that would result in whole numbers.
Answer: The answer is all multiples of 15 between 0 and 300, inclusive.
I took the test myself.
Answer: A
Step-by-step explanation: its because if an atom gains a negative electrons it becomes a negative ion. if it were to loses a electron it would become a positive ion. the other answers are not able to do both