What is −2.78 written as a mixed number?

What is the vertex form of f(x) = x2 + 6x + 3

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

In the geometric progression –3, 12, −48… what term is 3,072?