Math

Sequences & Series Solutions

For the arithmetic sequence, find a₁₈ and an when a₁ = 7 and d = -5. a₁₈ = ______

Find a1 and d for the arithmetic series. S12 = -108, a12 = -20 a1 = ____.

Find the first four terms of the arithmetic sequence. a₁ = -5, d= -9 What is the first term? a₁ = ▢

Evaluate the sum. 10 ∑(j + 4). j=1 10 ∑(j + 4) = _______ j=1

Find the first four terms of the arithmetic sequence. a1 = -5, d = -9 What is the first term? a1 = _____.

Find the sum of all integers from 53 to 98. The sum of all integers from 53 to 98 is ______________.

Find the first four terms of the arithmetic sequence whose first term is 8 and whose common difference is -3. What is the first term? a₁ = ▢

For the arithmetic sequence, find a₁₈ and aₙ when a₁ = 7 and d = -5. a₁₈ = _______ aₙ = _______

Find the common difference d for the arithmetic sequence. -7, -13, -19, -25,... d = ▢

For the arithmetic sequence, find a18 and an when a1 = 7 and d = -5. a18 = -78. an = ____.

Find the first four terms of the arithmetic sequence. a1 = -5, d= -9 What is the first term? a1 = -5 What is the second term? a2 = ____.

Find the first four terms of the arithmetic sequence. a1 = -5, d= -9 What is the first term? a1 = ______ What is the second term? a2 = _____ What is the third term? a3 = ____.

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