C would result in a repeating decimal.
Answer:
(6,32)
Step-by-step explanation:
The easier way to find the vertex is writing the equation as follow :
![y = a(x-h)^{2} + k](https://tex.z-dn.net/?f=y%20%3D%20a%28x-h%29%5E%7B2%7D%20%2B%20k)
where (h,k) is the vertex
your equation is in the form of :
![y=ax^{2} +bx +c](https://tex.z-dn.net/?f=y%3Dax%5E%7B2%7D%20%2Bbx%20%2Bc)
The easier way is to complete squares:
![y = -(x^{2}-12x)-4 \\y = -(x^{2}-2(6x))-4 \\y = -(x^{2}-2(6x)+36-36)-4 \\y = -(x-6)^2+32 \\](https://tex.z-dn.net/?f=y%20%3D%20-%28x%5E%7B2%7D-12x%29-4%20%5C%5Cy%20%3D%20-%28x%5E%7B2%7D-2%286x%29%29-4%20%5C%5Cy%20%3D%20-%28x%5E%7B2%7D-2%286x%29%2B36-36%29-4%20%5C%5Cy%20%3D%20-%28x-6%29%5E2%2B32%20%5C%5C)
So the vertex is (6,32
Answer:
1.6 hours
Step-by-step explanation:
40% of 4
turn 40% to a decimal by moving the percent to the left twice (0.40)
multiply 0.40 by 4
you get 1.6
1.6 is your answer
hope i helped, tell me if you get it right! :)
There can be no more than 835 people in the concert hall. What inequality represents the number of people, p, allowed in the concert hall? Drag and drop the appropriate symbol to correctly complete the inequality. (p [ ] 835
> < ≤ ≥
P≥835