Exercises 38–40 will help you prepare for the material covered in the first section of the next chapter. In Exercises 38-39, simplify each algebraic expression. 38. (-9x³ + 7x? - 5x + 3) + (13x + 2r? – &x – 6) 39. (7x3 – 8x? + 9x – 6) – (2x – 6x? – 3x + 9) 40. The figures show the graphs of two functions. y y 201 10- .... -20- flx) = x³ glx) = -0.3x + 4x + 2

Q: Simplify: (8x*y3). (Section 1.6, Example 7)

A: Given expression, 8x4y-3-2

Q: Exercises 121-123 will help you prepare for the material covered in the next section. 121. If 6 is…

A: Given equation is: 2(x-3)-17=13-3(x+2) Considering, LHS: 2(x-3)-17 Substituting, x=6,we get:…

Q: 8a^2 - 4b + 7a^2 is equivalent to

A: Here we add the terms with same power and variables.

Q: 3. 12a2 b4 - 16a3 b2 +20a5 b³

A: Here we have to factorize the following,  3) 12a2b4-16a3b2+20a5b3

Q: The yearbook staff at the high school expects to sell 500 yearbooks this year. They expect sales to…

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Q: max 7 - Re+322-22s Subject to ーメー2メュー2Xg=-6 ース,- X2+Xs 5-2 ス、スe,Xg と。

A: The given problem is to solve the given linear programming problem using the Big-M method.   Given…

Q: zu, + oMe 7 X3=4· 3h, + 4x, -243 1 =-3

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Q: How do you solve this and can you show me step by step?

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Q: Determine the nature, index and signature of 3x +5x; + 3x – 2x,x, + 2x,x, - 2x,x,

A: The quadratic form is given as 3x12+5x22+3x32-2x2x3+2x3x1-2x1x2 Firstly obtain a matrix…

Q: Click and drag like terms onto each other to simplify fully. 3-6-7x+2

A: The objective of the question is simplifying the given equation .

Q: 3(-2a³)² – 2(-3a²)³ 3(-2a')-x2(-3a ²)³

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Q: 1. 9s + 2s - 3s - 6 2. 12t - 4t - 6 + 5t 3. 18г + 13г + 4г - 3г%3D

A: Combine the like terms to simplify the given expressions. Solution 3.…

Q: Мaximize 6x] - 2х2 + 9х3 + 300 2 subject to 2x1 - 6x2 хз <100 х + х2 + 9хз < 200

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Q: Expand and simplify. (c) (x+2)3

A: According to the question,we have to expand and simplify x+23. As the above expression is algebraic…

Q: Facter 3z +20z-7

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Q: 3 3 Solve: 4 = -4 %3D X-3 x+2 -2. A 4. B ,3 22 3 . 2 -

A: Given Equation is,  3x-3-4x+2 = -4

Q: Exercise 3 ry" + 2y' = 0

A:

Q: How to find the lactus rectum if (x-4)^2 =-16(y+1)

A: Length of the latus rectum is 4a

Q: uation 2x² + 4x +4= 0 are

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Q: 7) (-5,3) and 4x + 3y = 3

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Q: Solve Xa. 14 4. 7 -2 X1 5. -3 20 9 -6 X2 4 7 -1 20 9 18 X3 %3D 19 -8 -4 13 -2 X4 14 -1 13 -4 -4 X5…

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Q: How do I solve

A: It is given that

Q: 6a^2+46a-72

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Q: -6 y = x³ - 15 x -A -2 (-4,-4) y 20 10 - 10 - 20 2 (4,4) 4 y = x 6 X

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Q: Yob) a) fog)(x) & 3. = (x)) JI 2. x+2 (x)6 8 %3D then find

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Q: YA 7) 3 X+4 3 y>}x-1 2 432 -2 -1 -4 2 3 4 -2 -3 4 -5

A: The given inequality is: y≤-34x+4y&gt;12x-1

Q: What does it mean when we say that a formula models realworldphenomena?

A: The process of finding formula to describe real-world phenomena is called mathematical modeling. We…

Q: 8)능(x+ 27)-극(x-3) -x*5 -3)%3Dx+5 81 A), B

A: Solving by separation of x we have

Q: -X1 + 4x2 + x3 = b1 X1 + 9x2 – 2x3 = b2 6x, + 4x2 - 8x3 = b3 (1) b, = 0, b2 = 4, bz = 0 (ii) bị = -…

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Q: 3) 2a? +5a +3 = %3D 4) 2x2 +13x- 24 = 6) 9x4 – 30x² + 25 =

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Q: 1. у+2%3D5 2. 3+x = -5 3. -2 +у%3-5

A: Explanation: A linear equation is having a highest degree as one for the equation.

Q: ) 2r+4.5(25-x)=25 -유y- 4 =-22

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Q: (I + 2A)~1 = [ 1 4 5-

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Q: state b? + 3b+ 2¸ 5b +5 1. 4-b? 10b x' +13x +40 x² +10x+16 2x² – x – 15 x+8 2. 2.x +9x+10 x² -9

A: See the attachment

Q: 38)-3x+17 or 6x + 32-21 A) [-4,-2) す B) (-4, ) C) (- ) D)(-2,)

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Q: 4. Solve for x1, x2, x3, x4 2x, + x3 - X, + 4x4 = 19 -X - 2x3 + x, + 2x = -3 2x, + 4x3 + 2x3 + x4 =…

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Q: 2х1 — бх2 + хз -X1 + 7x2 – x3 х, — Зх, + 2х; = 12 = -8 = 16 X1

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Q: Q4 What are the blank slot answers

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Q: 9. x₁ - 5x₂ = b₁ 3x₁ + 2x₂ = b₂ i. b₁ = 1, b₂ = 4

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Q: –2x,+x,*X2 -2x,+x,*x,

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Q: pression using rules (Module 2) 2a"y-126 ify: 5x-3y-122 -2

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Q: Determine the nature, index and signature of 3x +5x + 3x - 2x,x, + 2x,x, - 2x,x,

A: Given: 3x12+5x22+3x32-2x1x2-2x2x3+2x3x1The nature of the given equation is a quadratic form of…

Q: 1. X = 3A-4B, -2 -1 2 A = 1 -7 6 - 5 2. X- А - 2АB, 2 -3 (1 A = 2 -1 3 -2 B =-2 2 -1 -2 II

A: We can solve 1 problem only. Please repost the same for more answers.

Q: 11. 2х, — 3х, = -7 x1 + 3x2 - 10x3 9. 3x1 Xz = 13

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Q: 1 Simplify: а -За х 2 е -5а x (-3) i 2аx(-За)

A: as per our guidelines we are supposed to answer only 3 sub- parts.

Q: Explain why A and -A always have the same reduced echelon form R.

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Q: Solve (5+2/6)** +(5-26)"* - 10. x²-3 %3D

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Q: Exercises 79-81 will help you prepare for the material covered in the first section of the next…

A: Fractions in an equation can be removed by multiplying the equation by the least common denominator.…

Q: - 3K 9K-5. 11K +8 Question -1: %3D 2 6

A: According to our guidelines we can answer only  first question and rest can be reposted.    I solve…

Q: 14) 5x ≤ 10 + 2(3x-4) 15) -8h +52-23

A: 14). The given inequality is: 5x≤10+23x-4 So, we can simply write as; 5x≤10+23x-45x≤10+6x-85x≤6x+2