Find an equation of the parabola with vertex (2, -1) and directrix y=-7.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.

Two lines meet at a point. set up and solve an equation to find the value of x