Which function is a quadratic function? O u(x) = - x + 3x ^ 2 - 8 v(x) = 2x ^ 2 + 8x ^ 3 + 9x y(x) = x ^ 2 + 3x ^ 5 + 4 z(x) = 7x ^ 2 + 2x ^ 3 - 3

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)