Q. What is the next term of the geometric sequence?2,−10,50
Identify pattern of sequence: Identify the pattern of the sequence.The given sequence is 2,−10,50. We need to determine if this is a geometric sequence by finding a common ratio.
Calculate common ratio: Calculate the common ratio.To find the common ratio, we divide the second term by the first term and the third term by the second term.Common ratio r = −10 / 2 = −5Check with the next term: 50 / −10 = −5The common ratio is consistent, so the sequence is geometric with a common ratio of −5.
Find next term in sequence: Find the next term in the sequence.To find the next term, we multiply the last known term by the common ratio.Next term = 50×(−5)=−250