Which function is a quadratic function?

u (x) = - x + 3x2 - 8

v (x) = 2x2 + 8x3 + 9x

y (x) = x2 + 3x5 + 4

z (x) = 7x2 + 2x3 - 3

Prime factorization of 380

If two angles are acute, their sum is never a straight line. The hypothesis of the statement is: 1) their sum is never a straight line. 2) two angles are acute. 3) If two angles are acute they are straight lines. 4) None of the choices are correct.

Write the number 34 in expanded form

If the simple interest on $4,000 for 10 years is $2,800, then what is the interest rate

4 (x+3) - (2x-1) = 30+7x-1+5x

In this week's episode of the TV show Strange Science Fiction, a metal cube arrives from outer space. Government scientists measure the cube and find that it is exactly 6 meters on all sides. What is the volume of the metal cube from outer space?

A coin is tossed two times. The set of outcomes is given as S = {HH, HT, TH, TT}. Let X represent the number of times heads occurs.

Given ƒ (x) = - x - 2, find x when ƒ (x) = 12.

Which expression is equivalent to 15n - 20? A. 2 (8n - 6) B. 6 (2n - 9) C. 5 (3n - 4) D. 5 (4n - 3)

40 + 2 M 4 m equals 7 and 2 equals to