The graph of a quadratic function is represented by the table.

x f(x)

6 -2

7 4

8 6

9 4

10 -2

What is the equation of the function in vertex form?

Substitute numerical values for a, h, and k.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.