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)

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Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2