1,959 Answered Questions for the topic linear algebra

Linear Algebra Linear Equations

10/24/19

Minimize and maximize profit

Minimize and maximize p=5x+5y subject to the following constraints:2x+y≤10x+2y≤8x,y≤0
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Linear Algebra Math

10/23/19

Linear Algebra Question
Let X=[ -6 -9 ] 7 0 Give an example of two 2x2 matrices A and B, neither of which is the identity matrix, such that AB=X.
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Linear Algebra Math Algebra Linear Systems

10/16/19

Determining the type of triangle given 3 lines
Determine the type of triangle that is formed by the lines x+y=11, x-y=1 and x-3y=3. Justify your decision?
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Linear Algebra Math Physics Trigonometry

10/14/19

Linear Algebra for Computer Science
What type of linear map is the following matrix? -1 0 0 -1
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Linear Algebra Math Physics Trigonometry

10/14/19

Linear Algebra for Computer Science

Find matrices C and D, both having rank greater such that the product of CD has rank zero?
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Linear Algebra Math Physics Trigonometry

10/14/19

Linear Algebra for Computer Science

Let 2 square matrices M and N each have rank 1. What can you say about the rank of MN?
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Linear Algebra Math Physics Computer Science

10/14/19

Linear Algebra for Computer Science
Let M and N be 2x2 matrices and each is rank 1. What can you say about the renal of M+N?
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Linear Algebra Math Physics Trigonometry

10/14/19

Linear Algebra for Computer Science
What is the shear matrix that maps v onto the e2-axis?
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10/14/19

Linear Algebra for Computer Science
What type of linear map is the matrix?
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Linear Algebra Math

10/11/19

Let A= [-10,1,32,22] B=[2,1,-5,-2] C=[-4,-5,9,3] D=[-2,-4,3,-1] they are linearly dependent, determine a non-trivial linear relation where aA+bB+cC+dD=0

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Linear Algebra Math Test Preparation

10/09/19

Sally ordered her groceries online. She accidentally ordered 120 pounds of flour (instead of 10 pounds) and only uses five pounds of flour every two months. (more below)
the equation that represents this situation is: y=-5/2x + 120why is 120 pounds the y intercept?
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Linear Algebra

10/09/19

For Which Value of k does

For whic value of k does ;kx+y=1 x+ky=1Have one solution , no solution ,or infinitely many solution
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Linear Algebra Algebra 1

10/08/19

the sum of 3 less than 5 times a number and the number increased by 9 is 24. what is the number?
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Linear Algebra Inequalities Functions

10/07/19

Inequalities(Double equations)
(x+1)(x-2)---------------- ≥0x^2+7x-8Please explain this question.Part of the answer is -1≤x≤1. But how to get the range of it? I can't figure it out. Thank you.
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Linear Algebra Math Algebra 2 Algebra

10/04/19

If Shane has 16 quarters and nickels in his pocket, and they have a combined value of 220 cents, how many of each coin does he have?
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

10/03/19

Algebra word problem
Lena has 80 stickers. she gives 5m stickers to her friends and shares the remaining stickers equally with her 2 brothers. a. how many stickers does she give each brother in terms of m? b. if m 4,... more
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09/29/19

Discrete Mathematics -- Finding the basis of a given set
Let A = {( 2z - w, z, w, z) | z, w ∈ R } ⊂ R4. Find a basis for A and show that it is a basis,
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Linear Algebra

09/28/19

what is the equation of the slope of 8 and the points (8,6)?
using function notation form
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Linear Algebra

09/23/19

Linear Equations Word Problem

A clothing business finds there is a linear relationship between the number of shirts,n,it can sell and the price,p, it can charge per shirt. In particular, historical data shows that 2000 shirts... more
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Linear Algebra Math Geometry Trigonometry

09/23/19

What is the rank of this matrix?
What is the rank of this matrix? 1 -1-1 1/2
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Linear Algebra Math Geometry Trigonometry

09/23/19

What is the transpose of the 2x2 matrix I?
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Linear Algebra

09/22/19

The graph of y=xsquared is vertically shrunk by applying a factor of 1/2 and the reaulting graph is shifted 7 units downward
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Linear Algebra Algebra

09/21/19

In 1995, the moose population in a park was measured to be 5600. By 1999, the population was measured again to be 6500.

In 1995, the moose population in a park was measured to be 5600. By 1999, the population was measured again to be 6500. If the population continues to change linearly, find an equation for the... more
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Linear Algebra

09/19/19

Find the 93rd term of the arithmetic sequence -5, -15, -25
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Linear Algebra Math Algebra Linear Equations

09/19/19

Give the slope and the y intercept of the line 7 x + 4 y = 5 .
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