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Earn +20 ptsQ: What is 7n plus 4 plus 8n plus 1?
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Continue Learning about Algebra
What is the nth term for 7n-4?
11
What is the perimeter of a rectangle with width 3n plus 2 and length n-1?
perimeter equals 2 times width plus 2 times length so, perimeter equals 2(3n+2)+2(n-1) = 6n+6+2n-2 = 8n+4.
What are the first five terms of the sequence whose nth term is -8n plus 2?
Sn = -8n + 2S0 = -8(0) + 2 = 2S1 = -8(1) + 2 = -6S2 = -8(2) + 2 = -14S3 = -8(3) + 2 = -22S4 = -8(4) + 2 = -30S5 = -8(5) + 2 = -38
Factor 4x2 plus 8x plus 4?
4(x + 1)(x + 1)
X to the 2nd power plus 5x plus 4?
(x + 4)(x + 1) x = -1 or -4
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