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.(x + 5)2 = 15
A. Square root principle or factoring; 5 ± 
B. Square root principle; -5 ± 
C. Quadratic formula; ±
D. Factoring; 10
Answer: B
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A flowchart, such as the one in the figure below, shows a sequence of steps to be performed by a computer to solve a given problem. When designing a flowchart, the programmer uses a set of standardized symbols to represent various operations to be performed by the computer. Match the following blocks with the corresponding figure.
?
A. rectangle B. parallelogram C. rhombus
Evaluate the integral.
A. 3e2t + t - 
ln
+ C
B. e2t + t - 
ln
+ C
C. 3e2t - t + ln
+ C
D. e2t + ln
- 
ln
+ C
Find the indicated quantity.a3, when a17 = 51 and a15 = 43
A. 4 B. -13 C. -5 D. -1
Simplify the complex rational expression.
A. 
B. 
C. 
D. 18x4