Write the first three terms of the expansion.(3x + 2y)7
A. 2187x7y + 10,206x6y2 + 20,412x5y3
B. 2187x7 + 10,206x6y + 20,412x5y2
C. 7x7y + 6x6y2 + 5x5y3
D. 7x7 + 6x6y + 5x5y2
Answer: B
You might also like to view...
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Find the inverse of the one-to-one function.f(x) = 3x + 9
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = - 
D. f-1(x) = 
Solve the problem. Round your answer to 2 decimal places when necessary.At an intersection in Normal, Illinois, there were 156 vehicle accidents with 255,590 vehicles passing through the intersection. Determine the accident rate per 10,000 vehicles.
A. 1,638,397.44 accidents per 10,000 vehicles B. 6.1 accidents per 10,000 vehicles C. 255.59 accidents per 10,000 vehicles D. 0 accidents per 10,000 vehicles
Use the square root property to solve the quadratic equation.(5x - 1)2 = 
A. - 
, 
B. - 
, 
C. 4, -2
D. 
, 