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Linear Algebra

04/06/16

Find least Square regression

Find the least squares regression line for the data points (1,1),(2,3),(4,5)

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Linear Algebra

04/05/16

Lodine-131 has half-life of 8 days. How much iodine will you have after 24 days if you start with 60 milligrams?

Thank you for help me

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Linear Algebra

04/04/16

Consider two bases for R2

Consider two bases for R2 B= { [ 1 ] , [-1] } and B' ={ [ 2 ], [ 4 ] } 3 -1 2 -1 1) Find the transition matrix from B to B' . 2) Vector u has... more

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Linear Algebra Vector Calculus

04/01/16

Linear Algebra (Vector Space)

Determine whether s is a basis for the indicated vector space S= {(1,2),(1,-1)} for R2

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Linear Algebra

03/18/16

Prove that if A^T A = In, then detA = ±1.

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Linear Algebra

03/18/16

Find det(cA) in terms of c and detA.

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Linear Algebra

03/18/16

Show that det In = 1

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Linear Algebra

03/18/16

consider the following linear system

consider the following linear system x+z=1 y+z=2 2y+cz=c for which values of c does the system have (i) a unique solution, (ii) many solution, (iii) no solution

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Linear Algebra

03/12/16

Homogeneous Coordinate in Linear Algebra Class

The line y=2x +1 can be expressed in vector form as ??[1 2]+[0 1] (let x=t, then y=2t+1). A) (using homogeneous coordinates) what is the matrix of a translation of 2 in the x direction and 3 in... more

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Linear Algebra Determinant

03/10/16

Finding the determinant ( Linear Algebra)

Using elementary row or column operations to find the determinant. |3 8 7| |0 -5 4| |6 1 6|

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Linear Algebra Proofs

03/03/16

Let A be a 3x3 matrix...Can't figure out proof for my linear algebra homework

(a11 a12 a13) A= (a21 a22 a23) (a31 a32 a33) and let C1 C2 C3 be the first, second, and third column respectively (counting from the left) of A. [x1] A. Let X=... more

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Linear Algebra Algebra 1 Linear Equations Algebra Help

03/03/16

How to turn point-slope linear equation into standard form

How would I turn the point-slope form linear equation into standard form? Y - 3 = 3 (x + 1)

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Linear Algebra Linear Equations Maths Parallel And Perpendicular Lines

03/01/16

Please help me with the following 3 questions on linear and include all steps.

1) Find the equation of the line:a) Through the point (5-,8), parallel to the line 2x-7y=2b) Though the point (4,0), perpendicular to the line 2x-7y=22) Solve the following systems of equations for... more

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Linear Algebra

02/11/16

An elevator has a maximum weight limit of 1,500 pound. You have a shipment of boxes to bring to the tenth floor. Each weights 20 pounds.

Write an inequality to represent the situation also solve the inequality and leave your answer as in inequality(Be sure to Lable)

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Linear Algebra

01/25/16

Let u, v, w, x in R^2 be vectors. If u is a linear combination of v and w and v is a linear combination of...

Let u, v, w, x in R^2 be vectors. If u is a linear combination of v and w and v is a linear combination of w and x, show that u is a linear combination of w and x

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Linear Algebra

01/08/16

Parametric Equations,Equations of planes

(i) Find the parametric equation of the line l through the point (2, 2, −2) andparallel to the line x = 2 − 7t, y = 3 + 4t, z = −t, t ∈ R. (ii)Calculate the equation of the plane which contains... more

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Linear Algebra Vectors

01/08/16

equations and vectors

Given the following parametric equation of the line l:x = 2 − 7t, y = 3 + 4t, z = −t, t ∈ R,give two points on l and a vector parallel to l.

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Linear Algebra Vectors

01/08/16

Find the Equation of the plane

Find the equation of the plane which contains the point ( 2/3, −1, 3) and has normalvector 3i − 2j + 9k. Also, find another two points on this plane which are differentfrom ( 2/3, −1, 3).

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Linear Algebra

01/08/16

Linear Algebra. Intersection Between plane and line containing certain points.

Find the point of intersection of the plane 2x + 3y − 5z = 10 with the linecontaining the points (1, 1, 1) and (5, 0, 4).

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Linear Algebra

01/06/16

Finding the Parametric Equation of a line

Find the parametric equation of the line which contains the point ( 1/2, 0, −3) andis parallel to the vector 2i − 4j + k. Also, find another point on this line which isdifferent from ( 1/2, 0, −3).

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Linear Algebra

01/03/16

Show that the plane ax+by+cz=d contains the points (1,1,1) and (1 /2 ,1/ 2 ,-1) whenever both these equations hold:a+b-4 /3 d=0, c + 1/ 3 d=0

Linear Algebra, we have covered normal vectors, dot products and the like but I still cant figure this out, any help would be appreciated.

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Linear Algebra Algebra 1 Linear Equations Systems Of Linear Equation

12/04/15

ALGEBRA ONE LINEAR EQUATION

How would I graph this in slope intercept form? -3x+y=3 and 4y=24-12y

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Linear Algebra Linear Equations

12/02/15

four times a first number decreased by a second number is -6. The first number increased by three times the second number is -21. Find the numbers

I need to find the solution set numbers, and step by step on how to solve this problem.

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Linear Algebra

11/29/15

write an equation in slope-intercept form for the line that has a slope of m=2 and y-intercept of (0,0)

I need an equation that includes the slope of m=2 and y-intercept of (0,0).

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Linear Algebra

11/18/15

number of marbles in jars

there are two red jars of marbles and one jar of blue marbles. Jars of the same color of marbles contain the same number of marbles in them. there are 35 total marbles. The difference between... more

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Find least Square regression

Lodine-131 has half-life of 8 days. How much iodine will you have after 24 days if you start with 60 milligrams?

Consider two bases for R2

Linear Algebra (Vector Space)

Prove that if A^T A = In, then detA = ±1.

Find det(cA) in terms of c and detA.

Show that det In = 1

consider the following linear system

Homogeneous Coordinate in Linear Algebra Class

Finding the determinant ( Linear Algebra)

Let A be a 3x3 matrix...Can't figure out proof for my linear algebra homework

How to turn point-slope linear equation into standard form

Please help me with the following 3 questions on linear and include all steps.

An elevator has a maximum weight limit of 1,500 pound. You have a shipment of boxes to bring to the tenth floor. Each weights 20 pounds.

Let u, v, w, x in R^2 be vectors. If u is a linear combination of v and w and v is a linear combination of...

Parametric Equations,Equations of planes

equations and vectors

Find the Equation of the plane

Linear Algebra. Intersection Between plane and line containing certain points.

Finding the Parametric Equation of a line

Show that the plane ax+by+cz=d contains the points (1,1,1) and (1 /2 ,1/ 2 ,-1) whenever both these equations hold:a+b-4 /3 d=0, c + 1/ 3 d=0

ALGEBRA ONE LINEAR EQUATION

four times a first number decreased by a second number is -6. The first number increased by three times the second number is -21. Find the numbers

write an equation in slope-intercept form for the line that has a slope of m=2 and y-intercept of (0,0)

number of marbles in jars

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