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? asked in Science & MathematicsMathematics · 9 years ago

ALGEBRA 2 HELP! ASAP!!!! PLEASE!??!?!?!?

What is the 41st term of the arithmetic sequence where a1 = 15 and a15 = -41 ?

A) -157

B) -153

C) -149

D) -145

What is the sum of a 30-term arithmetic sequence where the first term is 74 and the last term is -100?

A) -468

B) -442

C) -416

D) -390

What is the 8th term of the geometric sequence 1, -4, 16, …?

A) 16,384

B) -4,096

C) 4,096

D) -16,384

What is the 7th term of the geometric sequence where a1 = -2 and a5 = -512?

A) -2,048

B) -8,192

C) 2,048

D) 8,192

1 Answer

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  • Anonymous
    9 years ago
    Favorite Answer

    1. C

    2. A

    3. A

    4. B

    I'm not quite sure about 2.

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