Find the required part of the geometric sequence.Find the number of terms of a geometric sequence with the first term 
, common ratio 
, and last term 
A. 8
B. 9
C. 10
D. 7
Answer: A
Mathematics
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Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.
A. 6 tan 6x B. 3 tan 6x C. 3 tan 3x D. tan 6x
Mathematics
Solve the equation for the indicated variable.
+ 
= c
for a
A. a = 
B. a = bc - 
C. a = 
D. a = 
- b
Mathematics
Find the y-intercept of the linear equation x+ y- 4= 0.
What will be an ideal response?
Mathematics
Factor the polynomial by removing any common monomial factor.7x4 - 21x2
A. 7x2(x2 - 21) B. 21x2(x2 - 1) C. 7(x4 - 3x) D. 7x2(x2 - 3)
Mathematics