If you plot those points, you just need to see where the extended sides intersect, or meet. (3, -8)
In a geometric sequence, a4=7 and a6=28 use the geometric sequence to find a5
1 answer:
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Answer:
C) 15
Step-by-step explanation:
Here we have to use the combination to find the number of possible combinations.
Total number of classmates (n) = 6
We are selecting 2 individuals. So r = 2.
The combination formula nCr =
Plug in n = 6 and r =2, in the above formula, we get
=
=
Simplifying the above factorial, we get
= 15
So the answer is C) 15