Tell wether the the graph of each quadratic functions opens upward or downward y=-3x^2+4x y=1-2x+6x^2 y+x^2=-x-2 y+2=x^2 y-2x^2=-3 y+2+3x^2=1

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

In angle pqr find the measure of