02/15/16

There are 10 contestants in a race. You want to determine how many ways there are for a 1st, 2nd, and 3rd place winner to place
. Do NOT type a number. Just tell me whether you will calculate a Permutation (P) or Combination (C). Just type the letter. Example: If you think it's a Combination, type: C
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02/12/16

explain how its structure is related to its function.
                                  OH    H3C    CH3                                    |         \     /                                   CH2         CH ... more
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02/11/16

Find the degree
15x^6y^2-9xy+5x^2y^5-xy^7 and -76p^8-8p^7-12pq^8+19q^8
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02/09/16

What's the 3rd term of the binomial expansion for (3x + 2y)^3?
A: 18xy^2 B: 15xy^2 C: 54(x^2)y D: 36xy^2 E: 6xy^2
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02/09/16

What's the 2nd term of the binomial expansion for (2x - 1)^4?
A: -8x^3 B: 4x^3 C: -32x^3 D: 8x^3 E: 32x^3
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02/09/16

What's the 2nd term of the binomial expansion for (2x + y)^5?
A: 160(x^5)y B: 10(x^4)y C: 80(x^5)y D: 80(x^4)y E: 32(x^4)y
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02/08/16

How many combinations of 4 can be made out of a group of 50?
 Even if the number is >= 1000, do NOT type commas.
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02/08/16

What is 100C4?
This is Combination notation, but without the subscripts.) Even if the number is >= 1000, do NOT type commas.
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02/08/16

What is 10C3?
This is Combination notation, but without the subscripts.) Even if the number is >= 1000, do NOT type commas.
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02/05/16

What is 12P3?
This is Permutation notation, but without the subscripts.) Type your answer WITHOUT any commas. Do NOT type commas.
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02/05/16

What is 10P6?
 This is Permutation notation, but without the subscripts.) Type your answer WITHOUT any commas. Do NOT type commas.
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02/05/16

What is 8!/4!? Type your answer WITHOUT any commas. Do NOT type commas.
I need help with this.
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02/02/16

You factored the difference of 2 cubes and you got 0 = (x – 7)(x^2 + 7x + 49). What are the solutions to this equation?
A:{7, -7/2 ± (7/2)i sqrt(7)} B:There is only one solution: x = 7 C:{7, -7 ± 7i sqrt(3)} D:{7, -7/2 ± (7/2)i sqrt(3)} E:{-7, 7/2 ± (7/2)i sqrt(3)}
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02/02/16

You factored the sum of 2 cubes and you got 0 = (4x + 1)(16x^2 - 4x + 1). What are the solutions to this equation?
{-1/4, 1/8 ± (1/4)i} {-1/4, 1/8 ± (1/8)i sqrt(3)} {4, 1/8 ± (1/8)i sqrt(3)} There is only one solution: x = -1/4 {-1/4, 1/8 ± (1/8)i sqrt(4)}
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02/01/16

Use the formula for either sum of cubes or difference of cubes. (Carefully choose the right formula from your book.) Factor x^3 - 1000
A: (x - 10)(x^2 + 10x + 100) B: (x - 10)(x^2 + 20x + 100) C: (x + 10)(x^2 - 10x + 100) D: (x - 10)^3 E: (x - 10)(x^2 - 10x + 100)
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02/01/16

Use the formula for either sum of cubes or difference of cubes. (Carefully choose the right formula from your book.) Factor 64x^3 + 27.
A:(4x + 3)(16x^2 + 12x + 9) B: (4x + 3)(4x^2 - 12x + 9) C:(4x + 3)(64x^2 - 12x + 27) D: (4x + 3)(16x^2 - 12x - 9) E: (4x + 3)(16x^2 - 12x + 9)
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02/01/16

Divide using synthetic division: (x^3 - 3x^2 - 5x - 25) ÷ (x - 5)
A: x^2 + 2x + 5 B: x^2 - 8x + 35, R -200 C: x^2 + 2x - 15, R -100 D: x^2 - 8x + 35, R 150 E: x^2 + 2x - 15, R 50
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02/01/16

Divide using synthetic division: (-2x^3 + 5x^2 - x + 2) ÷ (x + 2)
A: -2x^2 + 9x + 17, R -32 B: -2x^2 + 9x - 19, R 40 C: -2x^2 + 9x - 19, R -36 D: -2x^2 + x + 3, R -4 E: -2x^2 + 9x + 17, R 36
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01/28/16

When you divide the polynomial 3x^2 + 7x - 20 by x + 4 using long division, you get:
A: 3x^2 - 5 B: 3x + 19, R 46 C: 3x + 5 D: 3x - 5 E: 3x - 3, R -24
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01/28/16

When you divide the polynomial 2x^3 - 3x^2 - 18x - 8 by x - 4 using long division, you get:
A: 2x^2 - 5x - 2 B: 2x^2 - 11x - 62, R -256 C: 2x^2 - 5x + 2 D: 2x^2 + 5x + 2, R -4 E: 2x^2 + 5x + 2
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01/25/16

Multiply and simplify: (x^2)(x + 2xy + y). What is the degree of the resulting polynomial?
(Just type the integer for the degree, nothing else.)
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01/25/16

What is the degree of the polynomial 5x^2 + 7x^5 + 2(x^3)(y^3)? (Just type the integer)
 I really need help on this.
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01/25/16

Write the polynomial function, in standard form, that has zeros -1, -2, and 3:
A: x^3 - 7x + 6 B: x^3 - 7x - 6 C: x^3 - 6x^2 + 11x + - 6 D: x^3 + 11x + 6 E: x^3 + 6x^2 - 7x - 6
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01/25/16

Write the polynomial function, in standard form, that has zeros -2, 5, and 0:
A: x^2 + 3x - 10 B: x^3 + 3x^2 - 10x C: x^2 - 3x - 10 D: x^3 - 7x^2 + 10x E: x^3 - 3x^2 - 10x
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01/25/16

Write the polynomial function, in standard form, that has zeros -3, 4, and 1:
A: x^3 - 8x^2 + 5x + 12 B: x^3 - 2x^2 - 13x - 12 C: x^3 - 8x^2 + 19x - 12 D: x^3 - 2x^2 - 11x + 12 E: x^3 + 2x^2 - 11x - 12
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