Change the equation 
to quadratic form and solve it by any method. Round your answer to two decimal places.
?
A. 1.33, -2.33
B. 1.17, -2.50
C. 2.50, -2.33
D. 2.50, -1.17
E. -1.33, 1.17
Answer: E
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?Which of the following is not equivalent to 
?
A.
B.
?
C.
?
D.
?
E.
?a and c only.
Factor. Assume that variables in exponents represent natural numbers.512x3a - 125y3b
A. (8xa + 5yb)(64x2a - 40xayb + 25t2b) B. (8xa - 5yb)(64x2a + 40xayb + 25t2b) C. (8x - 5y)(64x2a + 40xayb + 25t2b) D. (8xa - 5yb)(64xa + 40xayb + 25tb)
A sign is hung on the wall of a building as in the figure below. Given the downward force and the horizontal force, determine the minimum required strength of a cable from point A to point B.
Downward force: 25 pounds; horizontal force: 60 pounds
A. 35 pounds B. 65 pounds C. 54.54 pounds D. 85 pounds
Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.76 - 74 + 72 - 70 = 77 - 75 + 73 - 7186 - 84 + 82 - 80 = 87 - 85 + 83 - 81
A. 96 + 94 - 92 + 90 = 97 + 95 - 93 + 91 B. 96 + 94 - 92 - 90 = 97 + 95 - 93 + 91 C. 96 - 94 - 92 + 90 = 97 - 95 + 93 - 91 D. 96 - 94 + 92 - 90 = 97 - 95 + 93 - 91