Find the standard equation of the parabola that satisfies the given conditions. Vertex: (3, 4); directrix: y = 2
A. (x - 3)2 = -8(y - 4)
B. (y - 3)2 = 8(x - 4)
C. (x - 4)2 = 8(y - 3)
D. (x - 3)2 = 8(y - 4)
Answer: D
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Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x-2/5 ? x3/5
A. x-1/5 B. x5/6 C. x1/5 D. x6/5
In two right triangles, if two pairs of sides and one pair of angles are congruent then
(a) The triangles are congruent by the Pythagorean Theorem and HL. (b) The triangles are congruent by HL. (c) The triangles are congruent by SSS. (d) Both (a) and (c) are correct. (e) There is not enough information to tell if the triangles are congruent.
In 
, m
= 45° and OA = 6 cm. Find 
.
A. 1.5
cm
B. 3
cm
C. 6 cm
D. 12 cm
Solve the problem.Find the number of units, x, that produces the maximum profit P, if C(x) = 10 + 28x and
A. 28 units B. 112 units C. 18 units D. 72 units