Find an equation of a parabola satisfying the given conditions.Focus (0, -2?), directrix y = 2?
A. y2 = 4?x
B. x2 = -8?y
C. y2 = -8?x
D. x2 = -2?y
Answer: B
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Find the indicated probability. Round your answer to 6 decimal places when necessary.If two fair dice are rolled, what is the probability of not rolling a sum of 12?
A.
B.
C.
D.
Provide an appropriate response.Assume a is positive, b is negative, and c is positive for the expression a + ( b ? c).Tell whether the value of the given expression is positive, negative or cannot be determined.
A. Positive B. Negative C. Cannot be determined
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Right C. Acute D. Obtuse
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 5 yd, b = 5 yd
A. c ? 7.1 yd B. c ? 3.2 yd C. c ? 5.1 yd D. c = 5 yd