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: Which expression is equivalent to (3x? + 2x + 1) – (x² + 4x) ? 2x2 – 2x +1 O 2x2 + 2x +1 2x2 + 6x +1…

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Q: I need help

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

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Q: What is the value of 2 x 8 – 3+ 2 ?

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Q: Simplify each expression by combining like terms. (15) 9a + 15a - 6 (16) 4b - 7 + 9b Type answer…

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

Q: d 2-1 da 1 (3x-1)√x dn

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Q: 3x+7=x2 +k=7x+15 Find the value of k?

A: From first two equations, 3x+7=2x+k then 3x-2x=k-7 i.e. x=k-7

Q: 5(x-4)-3x+5=-3x+15 this is math idk how to do this help

A: Given: The equation is 5x-4-3x+5=-3x+15.

Q: POSSIBLE Evaluate. 9(x) = 22 - 2 h (x) = 2x + 4 Find (goh) (-7)- 194 98 C14 D 62 2 B.

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Q: Find the unknown variable: C(6r, 6r -1) = 12 + C(4, 2)

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Q: = Evaluate d5 dx5 [x³ − 3x + 1]. (a) (3x² - 3)5 (b) 0 (c) 72 (d) 6

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Q: 5r-2s=-13 2r+5s=47

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

A: Given: line segment AC          AB=x+12          BC=2x-3From diagram B is the mid point of AC then…

Q: 2dx 12. Evaluate: 2. (x2+2x+4) A. -0.847 B. -0.952 C. -0.732 D. -0.628

A: We will evaluate the given integral as shown below by using various integration formulas

Q: b+2 #3. 2- b (?) b2 - 3b +2

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Q: 5v-15 What is the quotient of ²-6v+9 A B C D v +4 v-3 v-3 v +4 + 5 ²+v-12?

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Q: 3x(3 + 4 ) what is the answer I need help

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Q: 4x+2=5x I don't get how to figure it out

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Q: -3(14 + 5r) - 2r = -14(r + 3)

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Q: If possible, find A + B, A - B, 2A, and 2A - 5B. (If not possible, enter IMPOSSIBLE.) -4 B. 2 (a) A…

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Q: x4-a? X-a 54(x-a)(20), find the value of "a" if lim %3D

A: Given, limx→ax4-a254(x-a)=20

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

Q: Do this. Grouping

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Q: 3 L(3x2 + 2x)d 2

A: Given that∫233x2+2xdx

Q: 3.r What is the value of x? 4x+ 19

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Q: Show that a? y? |(a + 1)? (B + 1)² (y+1)² (8 + 1)² (a + 2)? (B+ 2)? (y+ 2)² (8 + 2)²| (a + 3)² (B +…

A: Topic : determinant

Q: x+1 x+2 x+4 The value of x+3 x+5 x+8 is: x+7 x+10 x+14| (a) –2 (b) 2 (c) x²-2 (d) x² +2 Select the…

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Q: (6x² + 2x – 3 4) Evaluate x2(x + 3)

A: Given:

Q: Use the table to answer the following question. Number of Half-Lives 1 2 3. Remaining Amount of…

A: Exponential function

Q: k(8+3+k)=8k+3k+blank

A: We have to solve the problem

Q: (Q3) Draw multiplication table for Z5.

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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

Q: Simplify the following expression. (-x)² (10x4) - (3x³) ²

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Q: 79 + 2y y + 61 7+ 16x 13x + 10 Find the value of x and y. y =

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Q: (6m + 5)(6m - 5)

A: We have to find the product of the expression: 6m+56m-5 We know the algebraic identity, a+ba-b=a2-b2…

Q: 2 2 p = 60 - 2x and p = x + 9x + 30

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Q: P(t)-2+7/2 +7t a2-7 2t+2/2 (aP-1)

A: Consider the given function as Pt=2+722P0-7+7t2t+222P0-7. The right hand side expression of the…

Q: h(n)=-4n+3 g(n)=n 2 +3 Findh(-10)-g(-10)

A: Given  h(n)=-4n+3g(n)=n2+3 we need to find h(-10)-g(-10) Substitute -10 for 'n' in g(n) to find out…

Polynomials

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