1,954 Answered Questions for the topic linear algebra

Linear Algebra

02/25/21

Explain how to make up an equation to go with 3x - 4y = 10 , so that the system will have no solution
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Linear Algebra

02/25/21

Math problem solved by Graphing, Substitution, and Elimination
Hi, the question is "A flying saucer filled with space aliens landed in my back yard! After the entire crew had filled out of the spaceship, I happened to count their heads and feet, I saw a total... more
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Linear Algebra Math Proofs

02/23/21

Linear Algebra Question
Let G be a function from R2 to R2, G: R2->R2 so, if xER2 then G(x) is uniquely defined. and G(x)ER2 (for example the velocity of a boat as a function of its position on the ocean)We say that G... more
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Linear Algebra

02/23/21

Find all values of λ for which det(A) = 0, using the method of this section.
λ1 = λ2 =λ3 =
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Linear Algebra

02/23/21

Find all values of λ for which det(A) = 0, using the method of this section.
λ1=λ2=
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Linear Algebra

02/23/21

Find M23 given A matrix (in Description below).
Let A=Find M23.
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Linear Algebra

02/22/21

What are the value(s) of k?
let A = [ 3 2 -1 2] B = [ 2 8 -4 k] What values(s) of k, if any, will make AB=BA?a) k = []b) No value of k will make AB = BA
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Linear Algebra Math Linear Equations Maths

02/22/21

create a cost function in the form CA=mx+b where m is total cost per burger x is the number of burgers sold and b is fixed cost of per week
m= 0.45x= 450b= 1077.5how would this look as an equation which can be graphed because when I do it it looks like 0.45 x 450 + 1077.5and when I try to put it on online graphing technologies it won't... more
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Linear Algebra

02/22/21

Algebra College
n=4;i and 2i are zeros;f(-1)=30
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Linear Algebra

02/22/21

The sum of 5 and y is 17
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Linear Algebra

02/21/21

The sum of three consecutive numbers is 72. What are the smallest of these numbers?
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Linear Algebra

02/21/21

The vectors u=[-4 -8 -28], v=[-2 -6 -12+k], w=[3 12 33] are linearly independent if and only if k does not equal...
Hi there, so need to find the value of k here. i am really stuck. thanks.
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Linear Algebra Calculus

02/19/21

Find the coordinate vector of 𝑥⃗ =
Find the coordinate vector of 𝑥⃗ = < 1,2,-3 > with respect to the basis 𝐵 = {<1,4,4> , <0,1,-8> , <0,0,1>} for R3[𝑥⃗ ]B = < _ , _ , _ >
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Linear Algebra Calculus

02/19/21

Find the coordinates of the vector 𝑥⃗ =
The set B = { < -1,-8 > , < -1,-5 > }is a basis for ℝ^2. Find the coordinates of the vector 𝑥⃗ = < 4,29 > relative to the basis of B[𝑥⃗ ]B= < _ , _ >
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Linear Algebra Calculus

02/19/21

Consider the basis 𝐵 of ℝ^2 consisting of vectors..
Consider the basis B of R^2 consisting of vectors| 1 | | 5 || 5 | and | 2 | Find 𝑥⃗ in ℝ^2 whose coordinate vector relative to the basis 𝐵 is [𝑥⃗ ]B=| -4 || 2 |𝑥⃗ = | _ | | _ |
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Linear Algebra

02/18/21

The set 𝐵={𝑥2−3, 𝑥−6+2𝑥2, 3𝑥−19+7𝑥2} is a basis...
 The set 𝐵={𝑥2−3, 𝑥−6+2𝑥2, 3𝑥−19+7𝑥2} is a basis for P2. Find the coordinates of 𝑝(𝑥)=82−11𝑥−30𝑥2 relative to this basis | _ |[𝑝(𝑥)]𝐵= | _ | | _ |
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Linear Algebra

02/17/21

Linear equation.

A web music store offers two version of a popular song.the size of the standard version is 2.6 megabytes.the size of the high quality version is 4.1 megabytes. Yesterday the high quality version... more
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Linear Algebra

02/17/21

Linear Algebra (Matrices)
The following system has an infinite number of solutions. Write the solution in terms of  Y and Z 2w - x + 1y - z = 1w + x - y + 2z = 13w +... more
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Linear Algebra

02/17/21

Linear algebra (Matrices)

The equation for a parabola has the form y=ax2 +bx+c where a ,b and, c are constants and a≠0 Find an equation for the parabola that passes through the points (3,9), (1,5) and (4,17)
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Linear Algebra

02/16/21

Calculate ((i + j) × (j + k)) · (i + k), if it exists
Calculate ((i + j) × (j + k)) · (i + k), if it exists. If it does exist, show all your steps and explain what the result means geometrically. If it does not exist, explain in detail why it does not... more
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02/15/21

point slope form
a line has a slope of 3/4 and contains the point (-4,1). Write the equation of the line in point-slope form
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Linear Algebra Algebra 1 M= (y2 Y1)/(x2 X1)

02/15/21

The slope of the line shown below is (blank) Write the slope in simplest form
-3,7 , -3,3 (3-7)/(-3--3) m=
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Linear Algebra

02/14/21

lines and slope intercept
In 2008, an oak tree was planted by the parking lot at Secondary School In 2008, the tree was just 6 feet tall. When the tree was measured again in 2020, it was 24 feet tall. When the tree is 50... more
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Linear Algebra College Algebra

02/14/21

college algebra linear systems
Last year, Singer A performed one more than two times as many shows during concert tours than Team B. The number of Singer A concert tour shows exceeded the number of shows by Team B by 12. How... more
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Linear Algebra College Algebra

02/14/21

college algebra linear systems
Nate is 6 years older than Haley. In 3 years the sum of their ages will be 62. How old is Nate now?
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