# Algebra

Can someone help me with these two questions?

What is the 50th term of the sequence that begins -4, 2, 8, 14...?

What is the 20th term of the sequence that begins -3, 6, -12, 24...?

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3. 👁 590
1. a = -4
d = 6
T50 = a+49d = -4+49(6) = 290

a = -3
r = -2
T20 = 3(-2)^19 = -1572864

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posted by Steve
2. Thank you sooooooo much!!!!!!!!

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posted by Tina
3. thx steve you were right (thumbs up)

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