Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 
D. 
Answer: B
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Quake 1 has a reading of 4.9 on the Richter scale. ? A: Quake 2 has a magnitude of 6.6. How do the relative intensities of quakes 1 and 2 compare? ? B: Quake 3 is 3,162.28 times as intense as quake 1. What is the magnitude of quake 3? ? C: An aftershock following quake 1 was one tenth as intense as quake 1. What was the magnitude of the aftershock? ? Round your answers to one decimal place.
What will be an ideal response?
Using the factoring method, solve for the roots of the quadratic equation.27x2 + 27x = 0
A. x = - 1 B. x = - 1, x = 27 C. x = - 1, x = 0 D. x = 0
Use a graphing calculator to estimate the local maximum and local minimum values of the function to the nearest hundredth.f(x) = x3 - x2 - 3x + 2
A. Local max: (-1.42, 1.39); local min: (3.27, -0.72) B. Local max: (-0.72, 3.27); local min: (1.39, -1.42) C. Local max: (-0.72, 3.31); local min: (1.39, -1.36) D. Local max: (-1.42, 1.35); local min: (3.27, -0.68)
Simplify the expression. Assume all variables represent nonnegative real numbers. Write the answer in exponential form when necessary.(x-1/3y8/5)1/2
A. -x1/6y4/5
B. x1/6y4/5
C. x1/6y21/4
D. 