Answer:
By doing it only once
Explanation:
To find the roots of the equation we can simply use the quadratic formula but in certain cases like finding domain/range of a function in the form ax2+bx+c , converting it to a(x+d)2+e makes it simpler to solve as x appears only once.
It’s D because the other ones don’t really make sense
Answer:
The solution is more acidic and is closer to become neutral.
Explanation:
Acidic level: 0 - 6
Neutral: 7
Alkaline level: 8 - 14
From this, we can see that the given solution went from a higher alkaline concentration level to a lower one.
The right answers is option c