Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. - 
C. 
D. 
Answer: D
Mathematics
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Find the amplitude.y = -4 cos(3?x - 3)
A. 3? B. ? C. 4 D. -12
Mathematics
Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.8y2 = -7y - 7
A. Two distinct irrational solutions B. One rational solution (a double solution) C. Two distinct rational solutions D. Two distinct nonreal complex solutions
Mathematics
Write the decimal as indicated.Four thousand and fifty-seven thousandths, in standard form
A. 400.057 B. 4000.057 C. 4000.57 D. 4000.0057
Mathematics
Assume that the two points P(-2, 4) and Q(-3, -1) are given.What are the coordinates of the midpoint of the line segment joining P and Q?
What will be an ideal response?
Mathematics