Write the first four terms of the binomial expansion.(2x + 3y)7
A. 128x7 + 1344x6y + 6048x5y2 + 15,120x4y3
B. 823,543y + 6x6y2 + 5x5y3 + 4x4y4
C. 7x7 + 6x6y + 5x5y2 + 4x4y3
D. 128x7 y + 1344x6y2 + 6048x5y3 + 15,120x4y4
Answer: A
Mathematics
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Use the leading coefficient test to determine whether y?? or y?-? as
y = 3x7 + 5x2 - 6
A. ? B. -?
Mathematics
Find the intercepts for the graph of the equation.-2x - 2y = -2
A. (0, -1); (0, -4) B. (1, 0); (0, 1) C. (-1, 0); (-4, 0) D. (1, -4); (-1, -2)
Mathematics
Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so.
x - 
y = 5
x + 
y = 12
A. {(4, 3)} B. {(4, -3)} C. {(3, 1)} D. {(3, 4)}
Mathematics