Error Analysis! What mistake did the student make using the discriminant? ーx+3x -7 Type your response here a=-1 b= 3 C=-7 D= (-1 )² - 4(3 )(1) D= 1 - -844 D= 85 Solutions There are a real

Q: I need help

A: 2x3-5x2-4x-25x-4 We need to divide the above polynomials.

Q: Find, if possible, (a) A + B, (b) A − B, (c) 2A, (d) 2A − B,and (e) B + 1/2 A.

A: a). b).

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A:

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A: Since you have asked multiple question, we will solve the first 3 question for you as per our guide…

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A:

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A: Given : 9(3)-9(-2) According to BODMAS rule first solve the bracket ⇒9×3-9×-2⇒9×3+9×2 Now, According…

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A: we have given

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A: Given : 5r-2s=-13 2r+5s=47

Q: B. Simplify each of the following and identify what law of exponents is applied. Write your answer…

A: “Since you have asked multiple questions, we will solve the first question i.e.., B part for you. If…

Q: In the diagram, AB = x + 12 , BC = 2x – 3 %3D A B C x+ 12 2x - 3

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A:

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A: Given, 2c-5t-3u +c+3t +3t-4u = ?  We have to simplify the expression

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A:

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Q: (8m+3)(2m - 7)

A: Step 1:To solve the problem shown in the image (8m + 3)(2m - 7), we need to expand the product of…

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Q: Find a + b, 4a + 7b, |a|, and la - bl. (Simplify your answer completely.) a = (-3, 4), b = (9, -1)

A:

Q: It says step 1 was wrong, can you tell me why its wrong. Im very confused

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Q: Simplify the expression. (a) y5⋅ y2         (b) (8x)2          (c) x4x-3

A: Our Aim is to simplify the expression below:-(a)y5×y2Solution⇒y5×y2=y5+2=y7

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Q: 19 x2-9x+18 Simplify the expression. x2+6x+5 6x-7 T+5 (x-7)(x-6)(x-1) B (x+3)(x+5) (x-7)(x-6) C…

A: ab÷cd = ab ×dc

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A:

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.