Find the missing length(s) in the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. a = 4.500
B. a = 9
? 12.728
C. a = 1.732
D. a = 
? 6.364
Answer: D
Mathematics
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and |x| < 0.4, what estimate can be made of the error?
A. |E| < 0.000014222 B. |E| < 0.000034133 C. |E| < 0.000005689 D. |E| < 0.000085333
Mathematics
Solve the radical equation, and check all proposed solutions.
= 4
A. ?
B. {4}
C. {16}
D. 
Mathematics
Plot the graph of the equation. Check for symmetries and find all x- and y-intercepts.y = x4 - 2x3 - x2 + 2
A. 
B. 
C. 
D. 
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Expand the expression using the Binomial Theorem.(x2 - 5)4
A. x8 - 20x6 - 250x4 - 500x2 + 625 B. x8 - 20x6 + 150x4 - 500x2 + 625 C. x4 - 20x3 + 150x2 - 500x + 625 D. x8 - 20x7 + 150x6 - 500x5 + 625
Mathematics