Solve the problem.An asteroid from deep space is sighted from the earth moving on a parabolic path with the earth at the focus. When the line from the earth to the asteroid first makes an angle of 90° with the axis of the parabola, the asteroid is measured to be 60 million miles away. How close will the asteroid come to the earth? Treat the earth as a point.
A. 6 million miles
B. 3 million miles
C. 9 million miles
D. 30 million miles
Answer: D
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Use the given table of y = ax2 + bx + c to solve ax2 + bx + c = 0.
A. -1, 3 B. -1, 1.5 C. 1, -3 D. 0, 1.5
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = 3x2 - 3x
A. maximum; - 
B. minimum; - 
C. minimum; 
D. maximum; 
?ABC is a right isosceles triangle with ?B = 90° and M the midpoint of AC. List all the isometries that map the triangle onto itself.
What will be an ideal response?
Solve the problem.A 35-inch-square TV is on sale at the local electronics store. If 35 inches is the measure of the diagonal of the screen, use the Pythagorean theorem to find the length of the side of the screen.
A. 2.96 in. B. 612.5 in. C. 5.92 in. D. 24.75 in.