This exercise should be done two ways: by hand and using technology where possible. Let X 3 -3 -28-4Z 3 0 -1 *-----** B = 7 -1 1 A = 0 4 Evaluate the following. A(B + C) 50 -12x+3x- 6-3r 3W-18 28+4z 4r-4 20 -4r+4 -20 0 -4 C = x 1 r 4

Q: х — 3 Зx2 — 4х + 1

A: Given expression: x-33x2-4x+1 To determine: Simplify the given expression.

Q: Which of the following is equivalent to (1-x)(1+x) - 3x (2-x)? A. 3x² - 6x +1 B. -3²-7x + 1 C.-4x² -…

A: Recall: (a+b)(a-b)=a2-b2

Q: A. y = -2(x – 4)² + 1 B. y = 2(x – 4)² + 1 C. y = 2(x + 4)² – 1 D. y = -2(x + 4)² – 1 7.

A: 7. A parabola can have equation of the form x=a(y-k)2+h. This parabola will have vertex at (h,k) and…

Q: (9y² + y - 7) + (7y² -y-4) = ]

A: We have to add 9y2+y-7+7y2-y-4

Q: Let A = [-2  6]              [2   8] Find 3A.  3A =

A:

Q: 6. Simplify (2x2y)(4xy-2). 6x³y5 a. 8x b. 6x²y8 8x²y 0.3 of

A: Given:6. 2x2y34xy-27. 4.5∘1072.4∘10-18. b=15x2y,  h=12xy2

Q: Evaluate J -25x31 (52+4)(z+3) da + C

A: We have to evaluate the given integration.

Q: x² - 4x-5 x-5 x² +6x + 8 x+2 13. What is the limx-5 14. What is the limx→-2 15. What is the limx-…

A: Since you have posted a question with multiple we will solve the first question for you. To get the…

Q: What is the value of x² + xy - 3y² - (5x² - xy + y²) -4x² + xy - 4y² ? Enter

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Q: Choose the correctly simplified form of this expression: t²-2t-3 t²-16 t²+t-12 4t+4 (t-3) (t+1) t-4…

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Q: 3. Simplify (x+ 2)(x2+3x- 4).

A: (x+2)(x2+3x-4) = x(x2 + 3x - 4) + 2(x2 + 3x - 4) = x3 + 3x2 - 4x + 2x2 + 6x - 8 = x3 + 5x2  + 2x…

Q: Solve det[A] + det[B] when [2 + i 3 A = -6 2il [6i B = l2i i

A: We will answer the first question as we don't answer multiple questions at a time. Please resubmit…

Q: Evaluate s(s³ – 4) ³ -4) 3 ds Vs –10s² + 6 99. |

A:

Q: Simplify (3x³ + 5z − 1) ÷ (x + 1) O 3z² + 3z +8+- O 32³-32² +8z-9 3x³ +3z² +8z+7 O 32²- 3z +8-7271

A:

Q: What is the equation of the line perpendicular to 2x − 3y + 5 = 0 and passes through - point of…

A: Please refer to the image below

Q: -5-9х %3D 3(1-3х) — 8

A: Given: -5-9x=31-3x-8

Q: Calculate  i)  -3 x (-4) + 2  - (-15 + 9)  – 5 x -2 =

A:

Q: -2(3х + 4) + 4(4х +9) О А.10х + 28 О В. 10х + 44

A: To determine: simplified form of

Q: Add (4x² + xy² – 7y³), (-7x² + 3x²y² + 9y³), and (5x² + 12xy? – 8x?y? - 4y³)

A: Here we have to add the givne expressions,  4x2+xy2-7y3, -7x2+3x2y2+9y3, and 5x2+12xy2-8x2y2-4y3

Q: Add (4x4−8x2+5x−6) and (3x3−7x2+18)     A. 7x3−15x2+5x+12 B. 4x4+3x3−15x2+5x+12 C. 4x4+3x3−15x2+12…

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Q: 6(2x + 5)  = 10(4 + x)  then  x = Select one: a. 15 b. 5 c. 20 d. 10

A:

Q: Evaluate (5+2) d dx Select the correct response: 11 16 ¹¹+x+x+C x + 4x + C 3 16 -x +C 11 + 1 11 + 4x…

A:

Q: 3(x - 4) = 8x + 18 %3D А. X 6 C. X = -6 В. X = D. X = - 1 5

A: Equation as:

Q: -8x+8y=-8 +8x-4y=-6 ------------------

A: Topic-Equation

Q: Find the value of "x * 4y + 25 бх - 7 4x +2 7y 5

A: We will find the value of X from given figure as shown below

Q: -43 - 4r = 3(1 - 9r)

A:

Q: Where does -8x - 12 come from.... Why come up with that?

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Q: Find A. 5 -2 (4A)–1 -4 A =

A: We can let the matrix A. A.A-1 =I ; where , I is the identity matrix.

Q: The equation y=Ae2x. + Bx is the general solution of the differential equation f (x) y'+ 8 (x) y'+h…

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Q: Sxt14-5 -3x+10y = 72

A: