Find the foci of the given hyperbola.7x2 - y2 - 84x + 8y - 16 = 0
A. (12
, 0), (-12
, 0)
B. (4 + 12
, 6), (4 - 12
, 6)
C. (12
, 4), (- 12
, 4)
D. (6 + 12
, 4), (6 - 12
, 4)
Answer: D
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Multiply using the special product rules for binomials.(4x2 - 5y)2
A. 16x2 - 40x2y + 25y2 B. 16x4 - 41x2y + 25y2 C. 8x4 - 20x2y + 10y2 D. 16x4 - 40x2y + 25y2
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Use a formula to solve the problem.Find the area of a triangle with height 9 m and base 11 m.
A. 49.5 m2 B. 198 m2 C. 10 m2 D. 99 m2
Write a word name for the number in the sentence.The programmers were working with a graphics file of 406,581,060 bytes.
A. Four hundred six billion, five hundred eighty-one million, sixty B. Four hundred six million, five hundred eighty-one thousand, sixty C. Four hundred six thousand, five hundred eighty-one hundred, sixty D. Four hundred sixty million, five hundred eighty-one thousand, six hundred