Write a quadratic formula vertex ( 2,3 ) point ( 1,-7 )

The vertex formula:

(h, k) - vertex

We have vertex (2, 3). Therefore:

We know that the parabola passes (1, -7).

Put the coordinates of this point into the function equation

x = 1, f(x) = -7

Therefore we have:

Use

i dont know if you cant find a way its best to actually add all of them start from 105 tho

step-by-step explanation:

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: