

1. (3 points) Express the following vector equation as a system of linear equations. 4 X1 + X2 = = [ 3 5 (Keep the equations in order.) -Xi+ X2 = _ x1 + X2 = Answer(s) submitted: (incorrect) 2. (1 point) Determine which of the points (1, -2, -2), (-7,3,3), and (6,1,-5) lie in the plane x1 - 4x2 +6x3 = -1. Answer: Answer(s) submitted: (incorrect)
1. (3 points) Express the following vector equation as a system of linear equations. 4 X1 + X2 = = [ 3 5 (Keep the equations in order.) -Xi+ X2 = _ x1 + X2 = Answer(s) submitted: (incorrect) 2. (1 point) Determine which of the points (1, -2, -2), (-7,3,3), and (6,1,-5) lie in the plane x1 - 4x2 +6x3 = -1. Answer: Answer(s) submitted: (incorrect)
4. (1 point) If Aū= 4 3 2 and Av= -3 -2 then A(3ū+ 2v) = Answer(s) submitted: (incorrect)
I need answer to 8
4. (1 point) If Aū= 4 3 2 and Av= -3 -2 then A(3ū+ 2v) = Answer(s) submitted: (incorrect) 8. (3 points) (a) Perform the indicated row operations on the matrix A successively in the order they are given until a matrix Generated by WebWork hwehwork maa ore Mathematical Association of America Previous Problem Problem List Next Problem (3 points) (a) Perform the indicated row operations on the matrix A successively in the order they...
it's all nr 7, pls help
4. (1 point) If Aū= 4 3 2 and Av= -3 -2 then A(3ū+ 2v) = Answer(s) submitted: (incorrect) . Choose • Echelon Form • Reduced Echelon Form • Not in Echelon Form 1 0 0 -5 (3) 0 1 0 9 0 0 1-9 . Choose • Echelon Form • Reduced Echelon Form . Not in Echelon Form 1 0 -7 0 0 0 0 0 0 1 0 -4 0 0 1...
1. (1 point) Find two vectors vi and v2 whose sum is (-3,0), where Vi is parallel to(-2,-4) while v2 is perpendicular to-2,-4) and Answer(s) submitted: (incorrect) 2. (1 point) Find the angle θ between the vectors a- 10i -j- 5k and b 2i+j- 21k Answer (in radians): θ Answer(s) submitted: (incorrect) 3. (1 point) Find a vector a that has the same direction as -6,5,6) but has length 3. Answer: a Answer(s) submitted: (incorrect) 4. (1 point) Suppose we...
just problem number 4 please!
thank you!
There are ten problems totaling 10 points. Show all your work! 1-4 For each system below, (a) solve the initial v stability of the critical point at (0,0) 1. alue problem, and (b) determine the type and x' =-4x1 + 5x2 X2,--5x1 + 4x2 x1(0) -16, x2(0) 25. x'= 6x1 + x2 x1(0) 6, X2(0) = 4 2. xi(12345e) 55, X2(12345e)--729 3 xi-43x Xi(-101) = 9, x2(-101) 5 4 x' = 2x1-x2 x2,=...
1. (1 point) Evaluate the integral using the FTC 1 Answer(s) submitted: (incorrect) 2. (1 point) Calculate the derivative: Answer(s) submitted. (incorrect) 3. (1 point) Find area of the region u 3x3-5 and above the x-axis, for 2 nder the curve y 4. x area Answerfs) submitted: incorrect) 4. (1 point) The value of (x+5)2dx is 0. Answerts) submitted (incorrect) 5. (1 point) The value of ^ ^dx i Answerts) submitted: (incorrect) 6. (1 point) Evaluate the definite integral (16-x*)dx...
1 [3]. Let X1,X2, X3 be iid random variables with the common mean --1 2-4 and variance σ Find (a) E (2X1 - 3X2 + 4X3); (b) Var(2X1 -4X2); (c) Cov(Xi - X2, X1 +2X2).
(1 point) Convert the augmented matrix 3 31 2 2 1 3 -5 0 to the equivalent linear system. Use x1 and x2 to enter the variables xi and r2 -2x1+3x2 -3 -9 x2 x2 C
(1 point) Convert the augmented matrix 3 31 2 2 1 3 -5 0 to the equivalent linear system. Use x1 and x2 to enter the variables xi and r2 -2x1+3x2 -3 -9 x2 x2 C