Solve the equation algebraically. Verify your solution with a graphing utility.x3 + 5x2 - 36x - 180 = 0
A. {36, -5}
B. {6, -5}
C. {-6, 6, -5}
D. {-6, 6, 5}
Answer: C
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Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + 10x - 24 = 0
A. Factoring; -12, 2
B. Square root principle or factoring; 12, 2
C. Quadratic formula; -2 ± i
D. Square root principle; -12 ± 2
Find the vertical asymptotes, if any, of the graph of the rational function.h(x) = 
A. x = -6 B. x = 6 C. x = 6, x = -6 D. no vertical asymptote
Simplify the expression.
?
?
A. 4 B. 16 C. 24 D. 6 E. none of these
Solve the problem.The resistance R of a circuit containing two resistors in parallel is 
= 
+ 
, where the two resistors have resistances R1 and R2. For resistors with R1 = 190 ± 0.4 ohm and 
approximate the error in R.
A. 0.8 B. 1.0 C. 0.3 D. -0.2