Simplify.-4b + 6b
A. -10b
B. -2b
C. 2b2
D. 2b
Answer: D
You might also like to view...
Solve the system of linear equations using the Gaussian elimination method. If there is no solution, state so; if there are infinitely many solutions, find two of them.
What will be an ideal response?
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.6d2 + 19d + 15 = 0
A. 
, 
B. 
, 
C. - 
, - 
D. - 
, - 
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.1x + 0.7y - 1.3z = 3.95.2x - 7.0y + 1.2z = -4.94.1x + 0.3y + 2.4z = -1.5
A. {(0.3, 0.4, -0.8)} B. {(0.4, 0.6, -1.3)} C. {(0.1, 0.2, -0.4)} D. {(0.6, 0.8, -1.7)}
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.3, 1, 
, 
, 
, ...
A. an = 3 ? 
n + 1
B. an = 3 ? 
n-1
C. an = 3 ? 
n
D. an = 3 ? 
n-1