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Linear Algebra
Page 10
Questions (909)
Solve the Matrix
12 -3 8 01 2 4 00 1 2
3 answers
asked by
Anonymous
313 views
Find the distance from the point (1, 1, 1) to the line given as the intersection of planes x+2y−
2z = 5 and 6x − 3y + 2z = 8.
1 answer
asked by
liam
325 views
Prove that If a vector space is of dimension n and a set of vectors spans V, then that set of vectors must be linearly
1 answer
asked by
John
439 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
3 answers
asked by
Becca
295 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
1 answer
asked by
Becca
305 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
1 answer
asked by
Becca
322 views
hey, can someone explain vectors to me? im soooooo lost, I don't understand them at ALL. please please please help me. :(
5 answers
asked by
Corie
577 views
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, if the products are defined.
A
2 answers
asked by
fast
561 views
Find the magnitude of vectors
A=?+4j+4k B=?+2j+3k if angle between them 15 deegres a) By scalar product b) by vector product
2 answers
asked by
JORHO
531 views
Determine a vector that is orthogonal to the vector e = [3, -1, 4]
1 answer
asked by
KnowsNothing
395 views
The vertices of a feasible region are A(1,2), B(5,2), C(1,40. Write a function that satisfies each equation.
a) A is the maximum
1 answer
asked by
Marilu
483 views
how to i find the magnitude of a vector from v1 and v2
1 answer
asked by
kris
294 views
What is the element a_23 in matrix A
8 -4 -3 A=3 -9 -5 -8 8 8 -5 3 -4 8
3 answers
asked anonymously
19 views
Consider the vectors A = 2.00 i + 7.00 j and B = 3.00 i - 2.00 j.
(a) Sketch the vector sum C = A + B and the vector subtraction
5 answers
asked by
Paige
752 views
WHAT IS THE DIRECTION OF A NULL VECTOR ?
3 answers
asked by
kathy
321 views
Determine if the following pair of functions is linearly independent or dependent on (-infinity sign, infinity sign): f(t) =
2 answers
asked by
Maegan
507 views
Just a few questions to make sure I am understanding the simplex method.
First you set up matrice, then you find the column with
2 answers
asked by
Robson
761 views
Project U onto V. U=(4,2) V=(1,-2)
?? Is there a formula for this?
3 answers
asked by
Alex
319 views
What is the inverse of matrix A, to the nearest tenth?
-2 7 A= 6 -8
1 answer
asked by
Sangita
348 views
Find the inverse of matrix A.
.6 -2 A= 6 -18
1 answer
asked by
Sangita
296 views
What is the inverse of matrix C, to the nearest hundredth?
10 -6 C= -12 2
2 answers
asked by
Sangita
768 views
Find the dot product of u and v
u= 3i+7j v= 11i-5j
2 answers
asked by
Sam
497 views
1)If A is an invertible matrix and k is a positive integer, then
(A^k)^-1 = (A^-1)^k note: ^ stand for power, -1 stand for
0 answers
asked by
soasi piutau
888 views
The nullspace of a 3 by 4 matrix A is the line through (2,3,1,0)?
a. what is the rank of A and the complete solution to Ax=0? b.
2 answers
asked by
Fatih
548 views
Explain how the vector C⃗(Going from the head of B⃗ to the head of A⃗) can be written in terms of vectors A⃗ and B⃗
Giv
3 answers
asked by
Melissa
1,214 views
solve using the gauss-jordan method.
x-2y+4z=7 -x+3y-z=-1 2x+y=-2 *I get through the first two columbs, but can't get the third
4 answers
asked by
Veronica
446 views
Find an example of 2 by2 matrices with a12 = .5 for which:
a. A^2 = I b. A^-1 = A^T c. A^2 = A By the way, a12 means the first
2 answers
asked by
fatih
494 views
Use an inverse matrix to solve each system of linear equations.
A) x+2y=-1 B)x+2y=10 C)x+2y=-3 x-2y=3 x-2y=-6 x-2y=0
1 answer
asked by
mando
396 views
How to find the perpendicular to the victor space R^k
1 answer
asked by
mk
385 views
Given the following matrix of transition probabilities, write three equations that, when solved, will give the equilibrium state
1 answer
asked by
Lisa
363 views
2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c.
Must be shown
1 answer
asked by
Lizz
454 views
2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c.
Must be shown
3 answers
asked by
Joy
459 views
Let v1= (1,1,2,1)
v2= (0,1,3,3) v3= (1,-1,-4,-5) v4= (1,0,-2,-4) a) Let U=span{v1,v2,v3,v4}. Find the dimension of U b) Is span
2 answers
asked by
Simon
773 views
A test Question:
Find the parametric equations of the line through the origin that is orthogonal to the plane 2x+4y-z=0
2 answers
asked by
Simon
620 views
find the inverse of the following matrices if they exist.
[1 -2 3] [3 1 0] [-2 1 1] the following represent a 3 x 3 matrices
1 answer
asked by
ZUkii
519 views
Find the basis for the following vector space. Please state the dimension of the vector space. S consists of all x in R3 such
3 answers
asked by
Simon
448 views
Let u=(2,0,k,-1) v=(-4,0,-3,2) and w= (0,1,0,0). Each answer must be justified(there is no answer where k=nothing)
a) find all
1 answer
asked by
Simon
873 views
Let = the set of all mxn matrices. Is Mmxn a vector space under matrix addition and scalar multiplication?
3 answers
asked by
Ayansa Dabesa soboka
41 views
Take any vector A in (R^3. Let W be the set of all vectors B in (R^3 where B.A = 0. Discuss whether W is a subspace of (R^3 or
3 answers
asked by
Ayansa Dabesa soboka
41 views
Which linear system of equations does the matrix represent?
-3 515 2 3 -10 %0D%0A%0D%0A%0D%0A(1
3 answers
asked anonymously
41 views
Which linear system of equations does the matrix represent?
[-3 5 | 15 [2 3 |-10
3 answers
asked anonymously
51 views
Solve the matrix 2X+2 [[2 -8],[-4 2]] = [[4 -6],[2 -8]]
3 answers
asked anonymously
16 views
Find the inverses of the matrices.
Let A = 1 2 5 12 b1 = -1 3 b2 = 1 -5 b3 = 2 6 b4 = 3 5 Find A^-1, and use it to solve the four
2 answers
asked by
Allan
656 views
Pivot the system about the element in row 2, column 1.
[3 3| –2] [–9 –4| 1]
1 answer
asked by
Dee
635 views
Let W be a subspace of V. If dim W = dim V, then V = W Proof:
3 answers
asked by
Ayansa Dabesa soboka
34 views
Gaussian row elimination method:
(i) x+3y+z=4 x-2y-2z=3 2x+y-z=9 (ii) x+2z+y=0 2x+y+z=6 3x+3y+2z=14
1 answer
asked by
Zinnia
423 views
How would I do these Matrices?
1. |1/2 14 10 -8| 2, Let matrix A = [8 -2 4 7 ] Let matrix B = 2A, Find b_22
6 answers
asked by
lizzie
450 views
Find two vectors v and w such that the three vectors u = (1,-1,-1), v and w are linearly independent independent.
1 answer
asked by
Neeraj
465 views
Form a 4 by 3 matrix, B, such that a) bij= i*j b)=(-1)^i+j
3 answers
asked by
Ayansa Dabesa soboka
30 views
The solution to a system of two linear equations is x = 3 weeks; y = 9 feet
Match the description with the correct statement. (3
3 answers
asked anonymously
56 views
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Parent Categories (5)
Algebra
Calculus
Geometry
Math
Mathematics