If the graph of f(x) = ax' +bx+c, a#0, has a maximum value at its vertex, which of the following conditions must be true?
Select all that apply.
A. a<0
B. -b/2a<0
C. -b/2a>0
D. a>0

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3