Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(3x - 7y)2
A. 9x2 + 49y2
B. 9x2 - 42xy + 49y2
C. 3x2 - 42xy + 49y2
D. 3x2 + 49y2
Answer: B
Mathematics
You might also like to view...
Solve the problem.Integrate 
over the region 0 ? x2 + y2 ? 49.
A. 14?(ln 7 - 1) B. 28?(ln 7 - 1) C. 14?(2 ln 7 - 1) D. 28?(2 ln 7 - 1)
Mathematics
Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.9y - 5x2 = x - 8
A. 
x
B. 
C. 
D. 
Mathematics
Estimate by rounding as directed.32.432 - 14.66; nearest tenth
A. 17.9 B. 17.5 C. 17.7 D. 15.4
Mathematics
Find the requested probability.A coin is biased to show 43% heads and 57% tails. The coin is tossed twice. What is the probability that the coin turns up heads once and tails once?
A. 43% B. 57% C. 49.02% D. 24.51%
Mathematics