Is δ abc with vertices a(-2, -5), b(-3, 2) and c(1, -2) a right triangle? a.) δ abc is not a right triangle. b.) δ abc is a right triangle because ab ⊥ ac c.) δ abc is a right triangle because bc ⊥ ac d.) δ abc is a right triangle because ab ⊥ bc

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

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