Consider the points plotted in the graph below.
Give the coordinates for points E and F.
A. E: (3, 4), F: (2, 0)
B. E: (4, 3), F: (2, 0)
C. E: (4, 3), F: (0, 2)
D. E: (3, 4), F: (0, 2)
Answer: B
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A. Proper fraction B. Mixed number C. Improper fraction
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = 3 - x2 - 2x 
A. 
B. 
C. 
D. 
Simplify to the form a + bi.i2 + i6
A. 0 B. 2i C. 2 D. -2
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers stand 50 inches apart. At a point between the towers and 15 inches along the road from the base of one tower, the cable is 1 inches above the roadway. Find the height of the towers.
A. 5.75 in. B. 8.25 in. C. 6.75 in. D. 6.25 in.