Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 13
C. 
D. 9
Answer: A
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Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = ln(x + 5) and y = x3
A. x ? 0.465263 B. x ? 0.722763 C. x ? 1.222763 D. x ? 1.475263
Subtract.8,579 - 144
A. 435 B. 8,347 C. 8,435 D. 8,427
Write an English phrase that would translate into the given mathematical expression.
- 4y
A. The difference of y and the product of 4 and y B. The difference of the quotient of 8 and a number y and the product of 4 and the number y C. The quotient of a number y and 8, decreased by the product of 4 and y D. The quotient of a number 8 and y, decreased by the sum of 4 and y
Fill in the blank with one of the words or phrases listed below. 
By the 
property of equality, the same number may be added to or subtracted from both sides of an equation without changing the solution of the equation.
A. distributive B. addition C. constant D. multiplication