1,954 Answered Questions for the topic linear algebra

Linear Algebra

01/11/21

List from least to greatest: 21x+48, x+29, 122+42x, 20x+24
Please help, I have to turn in this assignment in a couple hours or so!
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Linear Algebra

01/09/21

City Cabs charges a ​$1.75 pickup fee and ​$1.50 per mile traveled.​ Diego's fare for a​ cross-town cab ride is ​$24.25. How far did he travel in the​ cab?
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Linear Algebra Math Prealgebra Precalculus

01/08/21

Help me answer intercept of lines!

So identify the y-intercept and the x-intercept and the slope of the line.In my graph the y-intercept is touching -3 down in bottom left corner. The X-intercept is touching 1 literally on the X... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/08/21

You can either use a 10% off discount coupon OR you can use a discount 25% off coupon. For what price for the pair of pants would you end up paying the same amount for either discount method?

You can go to a store to buy a pair of pants. You can either use a 10% off discount coupon OR you can use a discount 25% off coupon.  You can’t use both, however. For what price for the pair of... more
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Linear Algebra Math Algebra 1 Algebra

01/08/21

System of Equations help (Urgent)
I came across this question but I could not figure it out. Could you please help me and explain how to find the answer? Thanks! A school's students sold masks for $10 and face shields for $15... more
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Linear Algebra Math Algebra 1 Algebra

01/08/21

System of Equations (Help! Urgent!)
I came across this question but I could not figure it out. Could you please help me and explain how to find the answer? Thanks!Brenda's school is selling tickets to a spring musical. On the first... more
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Linear Algebra

01/07/21

Linear Algebra question
check that B ={ [-1/2,√3/2,0], [√3/2,1/2,0], [0,1,-1] } is a basic for ℝ3. Then, determine whether it is orthogonal, orthonormal or neither.
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01/06/21

Graphing and Writing Linear Equations
Question Number 1 The Math family paid a total of $21 to bowl 4 games and rent shoes. Each game cost $4. Write an equation to represent the total cost 𝒚 to rent shoes and bowl 𝒙 games. How much is... more
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Linear Algebra Math Algebra 1 Algebra 2

01/04/21

Factorization-Remainder problem help?

When 17 is divided by k, where k is a positive integer, less than 17, the remainder is 3. What is the remainder when the sum of the possible values of k is divided by 17?
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Linear Algebra Math Algebra 1 Algebra 2

01/04/21

Functions math help.
f(5) = 15 and g(x) = f(x+2)-5. Find g(3).
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Linear Algebra Math Algebra 1 Algebra 2

01/04/21

Functions math help.
f(5) = 15 and g(x) = f(x+2)-5. Find g(3).
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Linear Algebra

01/01/21

Rank , Kernel and Other Properties ofa Linear Transformation
Determine rank and kernel of L : P2 --> M2*2(R) given by,L(ax^2 + bx + c) = A, where A is 2*2 matrix whose elements are as follows : A11 = A12 = a & A21 = A22 = c
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Linear Algebra

12/27/20

Linear Algebra - Linear Transformations
Consider the basis S = {v1, v2, v3} for R3, where v1 = (1, 2, 1); v2 = (2, 9, 0), and v3 = (3, 3, 4) and let T : R3-->R2 be the linear transformation for whichT(v1) = (1, 0), T(v2) = (1, 1);... more
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Linear Algebra Differential Equations

12/26/20

What is the general form of the matrix exponential of a 2x2 non-diagonalizable matrix?
Include the following matrix and prove its n-th power formula, given here too, in your answer: ⌈ λ 1 ⌉ ⌈ λn n*λn-1 ⌉D = | | and Dn = | | , ... more
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Linear Algebra Civil Engineering

12/25/20

linear algebra and civil engineering
I have a term project. I should do research about ''how linear algebra can use in civil engineering'' Can you please suggest me resource about this topic.
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Linear Algebra Math Algebra Maths

12/25/20

Kernel & Image of a Linear Transformation
Let (M2×2(R),+, ·/R) be the matrix vector space. Let T : M2×2(R) --> M2×2(R) , be the mapping defined by,T(A)= AT − A for all A belongs to M2×2(R).(i) Show that T is linear.(ii) Determine... more
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Linear Algebra Algebra Maths Mathematics

12/24/20

Please Help me with this Linear Algebra Maths questions
Q.1 Determine the scalars c for which A − c x Identity Matrix [2x2] is not invertible,where A = [ 4 6 −1 −3 ]Q7. Let S be the parallelogram determined by the vectors b1 = [ 2 and... more
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Linear Algebra Math Algebra Maths

12/23/20

Linear Transformation ( T : R2 --> R4)
Let T : R2 --> R4 be a linear transformation such that,T[ 1 1]^T = [ -1 1 2 3]^T , T[-1 1]^T = [2 0 2 3]^TFind T[5 3]^T
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Linear Algebra Differential Equations

12/19/20

Find the general solution of the ODE x^2 y" + xy' + (x^2 - 1/4 )y = x^3/2 cos x if sinx/√ x and cosx/√x are two independent solutions of the corresponding homogeneous problem for x > 0.
Use method of Variation of parameters
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Linear Algebra Autodesk Maya

12/18/20

Write the general solution of xy' + y + xe^-xy = 0
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Linear Algebra Maths

12/18/20

gauss jordan method
Using Gauss-Jordan method to find the solution of the following system of equations,  y + z = 4, 3x + 6y - 3z = 3, -2x - 3y + 7z = 10,
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Linear Algebra

12/18/20

Slope 0 y intercept (4,-5)
Tere is a line that includes the point (4,-5) and has a slope of 0. What is it's equation in slope intercept form?
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Linear Algebra

12/17/20

Find the value of r so the line that passes through each pair of points has the given slope. Point 1: (−2,r) Point 2: (6,7) m=12
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Linear Algebra

12/17/20

Let ( V , ⟨ , ⟩ ) be a finite dimensional inner product space over C, and let T : V → V be a linear operator. Show that the following two conditions are equivalent:
Let ( V , ⟨ , ⟩ ) be a finite dimensional inner product space over C, and let T : V → V be a linear operator. Show that the following two conditions are equivalent:1)  is invertible and   2)    for... more
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Linear Algebra Math Algebra 2 Algebra

12/16/20

Passing through (3,-5) and perpendicular to y= −23 (x−4) +1
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