What does the circuit symbol in the figure mean?
?
?
A. battery (or power source)
B. switch
C. light
Answer: C
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Provide an appropriate response. If the discriminant of a quadratic has the value of 8, what is the nature of the roots?
A. The equation has no real number roots. B. The equation has one rational root. C. The equation has two real number roots. D. The equation has two real number equal roots.
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. sin2 ? + cot2 ? + cos2 ? = sec2 ?
A. Yes B. No
Find the requested probability.A box contains the following mixture of colored marbles: 2 black, 3 red, 5 yellow, and 2 green. If two marbles are drawn, the second being drawn after the first is replaced, then what is the probability that both are black?
A. 
B. 
C. 
D. 
An object is thrown from the origin of a coordinate system with the x-axis along the ground and the y-axis vertical. Its path, or trajectory, is given by the equation 
. Find the object's maximum height. Enter your answer as a number without units.
Fill in the blank(s) with the appropriate word(s).