Factor completely. If the polynomial cannot be factored, write "prime."2x2 + 2xy + y2
A. 2(x + y)2
B. (2x + y)(x + y)
C. (2x + y)(x - y)
D. Prime
Answer: D
Mathematics
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Find the indicated series by the given operation.Find the first three terms of the expansion for f(x) = ex cos x by multiplying the proper expansions together, term by term.
A. x - x2 + 
x3 - . . .
B. x + x2 - 
x3 + . . .
C. 1 + x - 
x3 - . . .
D. 1 + x - 
x2 - . . .
Mathematics
Subtract.7 - 3.845
A. 3.155 B. 3.125 C. 3.156 D. 3.355
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 2.5x + 50.4 C. y = 3x + 50 D. y = 54
Mathematics
Give a number that satisfies the given condition.A whole number less than 3.5
What will be an ideal response?
Mathematics