Find the eigenvalues of A, and find a basis for each eigenspace.A = 
A. -5 + 8i, 
; -5 - 8i, 
B. -5 + 8i, 
; -5 - 8i, 
C. -5 + 8i, 
; -5 - 8i, 
D. -5 + 8i, 
; -5 - 8i, 
Answer: A
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Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.Estimate the number of seconds in a day.
A. 600,000 seconds B. 72,000 seconds C. 3,600 seconds D. 1,400 seconds
Provide an appropriate response.Without multiplying by the least common denominator and solving, explain why the rational equation 
has no solution. (Hint: Examine both numerators and denominators carefully.)
What will be an ideal response?
Add and simplify.
+ 
A. - 
B. - 
C. - 
D. - 
Find the equation of the line that seems to best fit the data. Use the model to estimate the elongation of the spring when a force of 35 kilograms is applied. Round your answer to one decimal place.
Hooke’s Law states that the force F required to compress or stretch a spring
(within its elastic limits) is proportional to the distance d that the spring is compressed or
stretched from its original length. That is, where k is the measure of the stiffness of
the spring and is called the spring constant. The table below shows the elongation d in
centimeters of a spring when a force of F kilograms is applied.
A) 2.9 centimeters
B) 8.7 centimeters
C) 4.4 centimeters
D) 5.8 centimeters
E) 11.6 centimeters