Write the first five terms of the geometric sequence with the given information.The first term is 1 and the common ratio is - 
.
A. - 
, 
, - 
, 
, - 
B. 
, - 
, - 
, - 
, - 
C. 1, - 
, 
, - 
, 
D. 1, -5, 25, -125, 625
Answer: C
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(8, -6, 4) and P2(9, -7, 5)
A. 
i + 
j + 
k; 
B. 
i - 
j + 
k; 
C. 
i - 
j + 
k; 
D. 
i - 
j + 
k; 
Mathematics
Graph on the number line, and express in interval notation.The set of all real numbers between 2 and 6 including both 2 and 6.
A. [2, 6]
B. [2, 6)
C. (2, 6]
D. (2, 6)
Mathematics
Decide whether or not the given equation is an identity.cos2 
= 1
A. Yes B. No
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.24x2 = 26x
A. x = 
, x = 26
B. x = 0
C. x = 
D. x = 
, x = 0
Mathematics