Identify the axis of symmetry and vertex of f(x) = –2x2 –2x–1.
axis of symmetry: x = – 0.5; vertex: (– 0.5, – 0.50)
axis of symmetry: x = 0.5; vertex: (– 0.5, – 0.50)
axis of symmetry: x = 0.5; vertex: (0.5, – 0.50)
axis of symmetry: x = – 0.5; vertex: (– 0.5, 0.50)

Multiplying an even number of negative numbers gives an answer that is choose from:

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Abcd is a square. what is the measure of angle bac