1,959 Answered Questions for the topic linear algebra

Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).
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Linear Algebra

01/11/21

Please Help me with this question! Thanks >:)
Grace's work is x miles from her house. She drives to work every day of a 5-day workweek. Grace also goes to the gym every day after work, which increases her daily drive by 8 miles. The following... more
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Linear Algebra

01/11/21

Please Help! I need to turn In this assignment as soon as I can! Thanks
Factor each expression completely by factoring out the largest common whole number possible. Then, order the expressions from least to greatest whole number that was factored out of each... more
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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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