A Moving to the next question prevents changes to this answer. Question 2 x+y y 3. and C= -2 4 Given A = B: such that AB =C find A2 X-y - -4 -8 12 OB. 4-8 8 12 -4 -8 4 12 48 4-16 8.

Q: If AΦB = AB - B find -2Φ3 Select one: a. -3 b. 9 c. -9 d. none of the options

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Q: 6. 3c2 - 5c for c = 3 76 8. 5a 3b + 5 for a = 4 andb 3 %3D

A: To find the values of the given expressions (6) 3c^2-5c at c=3 (8)5a-3b+5 at a=4 and b=3.

Q: Evaluate: (2x-y) ³(3x+2) when x = -3 and y = -4 O-56 O-28 O56 14

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Q: If a = 4, y = 3, then 3a + 5 = 20 - y Select one: O True O False

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Q: C A If CA = 5x + 5 and EA = 10x - 20, find CE. %3D O 60 O30 O 10 10

A: To find the CE

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: An acute angle, 8, is in a right triangle such that sin 8. 10 10 5 6 1 What is the value of cot 8?

A: The acute angle θ is in right angle triangle such that:sinθ=56

Q: Which of the following pairs of lines are perpendicular? Select all that apply.

A: For equation of line :y=mx+c slope = m   if two lines are perpendicular then  multiplication of…

Q: If M = 24a-2b-3c5 and N = 18a 7b6c-4, then =? M

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Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: Find A+ B. 7 9 9- - A = B = 1 9 3 -3 |

A: Topic = Matrices   To add two matrices A and B , just add the corresponding entries, and place this…

Q: Find a and b such that 2 1 20 = a 2 +b -4 -22 -1 a = b =

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Q: Find the values of a, b and c if: 21 l6 2a 21 7 2 +2b 2 3 -b

A: When a constant is multiplied to a matrix, then every element of the matrix is multiplied by the…

Q: Find, if possible, (a) AB and (b) BA.

A: We know the order of a matrix is defined as  ---->  m x n where, m = number of rows…

Q: Let A= -5 2 , B= 1 0 . Then 2A+3B= Select one: O a. [-7 4 b. [-10 4 ] C. 1-9 4 d. [-2 2]

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Q: 2 31 Find 24³ – 4A + 5 I. 2. Let A = -31

A: Given: The matrix is A=124-3. To Find: 2A3-4A+5I.

Q: -2x - y - 3z = 3 2x - 3y + z = 13 2x - 3z = -11

A: We need to solve the system of equations -2x - y - 3z = 3               (i)   2x - 3y + z = 13…

Q: Let a 51 – 2j and b- 21 +j- 7k then what is a. b =? O a. 1 O b. -12 Oc-8 O d. 12 O e. 8

A: a= 5i -2j  b = 2i + 1j -7k

Q: - 2x' + x - x- 2 Given A .4 +x which among A, B, C and D is zero? 3 x+1 A. A В. В С. С D. D

A: Option B i.e  B=0.

Q: If a b=2a- 3b+1, what is 3 (-1)? a. 4 b. 10 C. 8 d.-1 b

A: Compare 3*(-1) with a*b, a = 3, b = -1.

Q: Find 3A.

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Q: If A= F 2 4 -2 3A-2B= 11 AT 4 2 -2 4 -2 and B -3 = -1 -1 -3 271 -2 2, then 4 0 and

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Q: The value of fe-3dz is

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Q: L. Given 2+ 2r + br - 19z +15 - cx + dx? + ex +f, find the values of b, c, d, e and f. * + 2r +5 INP…

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Q: 4. If x # -4, which of the following represents 2x² + 14x + 24 in simplified form? 2x + 8

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Q: ydy 1. S- V25-16у* xdx 2. S- 9+x 2 dz 3. S- 2 +6z+10 xdx 4. S- 9+x

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Q: Do the indicated operation and simplify the answer.

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Q: Find AB given that: 2 -4 170 A -35 11 and B- 0 -2 8.

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Q: -a b Evaluate-2a +4x 2b-4y x с 2b-4y 2c +4% -Y

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Q: Which equalion represents O8? 2 B O A. (x-3)++ 3 - 4 B. (x+ 3) - (y- 3) = 4

A: Equation of circle

Q: MR=5(a+9) and MP=13a+42

A:

Q: 1 -1 2 2 1 -1 A = 2 B = 1 3 2 4 C = 1 -1 4 -4 Find A - B, A+ B, and A + C.

A: Here, A and B are of the same order so A-B and A+B is possible but A+C is not possible because A and…

Q: Find the following expressions if a = (6r, 0, r), b = (6s, –s, 7s), and c = (2t, 10t, 5). a ·b = 1.…

A: We need to find dot product.

Q: If a? + b² = 1 and c2 +d² = 2 then the value of (ac+ bd)² + (ad – bc)² is, a. b. с. 1 d. 2 -/2419

A: Given

Q: Which of the following is a true statement? A. V15 = V10 + V5 B. V15 = V18 – V3 The equivalent…

A: