1,954 Answered Questions for the topic linear algebra
Linear Algebra
11/05/22
Let T be the linear transformation defined by T(x, y) = (5x, 8x − 3y, 7x + 2y, −x - 6y). Find its associated matrix A.
Linear Algebra
11/05/22
Let T: R²→ R³ be the linear transformation defined by T(x, y) = (3x − y, 5x + 5y, y — 5x). Find a vector w that is not in the image of T.
Linear Algebra Algebra 1
11/04/22
Use technology to perform a linear regression to determine the equation for the line of best fit for this data. Estimate the value of y when x=25.
x: 20, 22, 24, 26, 28y: 9, 12, 16, 20, 23Please explain the steps clearly. I don't know how to use a linear regression/graphing calculator. I also don't have one.
Linear Algebra Math
11/04/22
Solving Linear-Quadratic Systems
If a quadratic function is represented by y= kx^2-5x+1 and a linear system is represented by y=4x+k, find the value of k where the two functions will only have one point of intersection.
Linear Algebra Algebra 1
11/04/22
Given the function f(x)=x, how does the addition or subtraction of a constant to the output affect the graph? f(x)=x-2
Please explain how to answer it and explain why.
Linear Algebra Algebra 1
11/04/22
Melissa runs a graphic design business. She charges by the page, and has a set-up fee. The table shows her earnings for the last few projects. What is her per-page rate and the set-up fee?
TABLE HERE!!!!!Cost ($): $185, $335, $485, $635Total Pages: 2, 4, 6, 8Please be descriptive about how to solve this.
Linear Algebra Algebra 1
11/03/22
Evaluate the function for the elements in the domain {-4,-2,0,2,4}. This is the function: f(x)=2x-1
I don't know what they want for an answer or even the steps to solve it. Please explain it in as much detail as possible.
one month lisa rented
One month Lisa rented 5 movies and 6 video games for a total of $52.The next month she rented 3 movies and 2 video games for a total of $22. Find the rental cost for each movie and each video game.
Linda the trainer
Linda the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Friday there were 5 clients who did Plan A...
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find the growth rate of f(x)=4e^2x (as a percentage)
I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great. The answer is supposed to be as a percentage.
find the growth rate of f(x)=4e^2x
I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great.
Linear Algebra
11/01/22
Prove by using properties/appropriate theorem, or disprove with counter example whether the given sets are subspace or not.
G = {P2(t) such that tp′(t) = 5p(t) where ′ is d/ dt. }
Linear Algebra
11/01/22
Equations of parallel and perpendicular lines
Find an equation of the line that (a) has y-intercept of -10 and (b) is parallel to the line 3x+8y=123x+8y=12.Write your answer in the form y=mx+b
Linear Algebra
10/31/22
Extremely Stuck
Maricopa's Success scholarship fund receives a gift of $ 140000. The money is invested in stocks, bonds, and CDs. CDs pay 4.75 % interest, bonds pay 3 % interest, and stocks pay 8.9 % interest....
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Find the coefficient of the given term in the binomial expansion.
Find the coefficient of the given term in the binomial expansion.
Linear Algebra
10/29/22
HELP ASAP THANKS
five yrs ago, a mother was 5 times older than her son. in 8 yrs time, the mother will be 3times older than her son. how old are the mother and her son?
Linear Algebra
10/29/22
Let w, x, y, z be vectors and suppose z = 2x + y and w = 4x - y - 2z.
Let w, x, y, z be vectors and suppose z = 2x + y and w = 4x - y - 2z. Mark the statements below that must be true.A. Span(x, y)=Span(w) B. Span(y, w)= Span(z) C. Span(y) = Span(w) D. Span(x, y) =...
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Linear Algebra
10/29/22
The vectors v=[4 -1 -5] , u=[-2 2 -15+k] and w= [-3 2 -5] are linearly independent if and only if k=/
Linear Algebra
10/29/22
Solving a word problem with three unknowns using a linear equation
Mary, Henry and Chang served a total of 105 orders Monday at the school cafeteria. Mary served 9 more orders than Henry. Chang served 2 times as many orders as Henry. How many orders did they each...
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Linear Algebra
10/27/22
Solving a distance, rate, time problem using a system of linear equations
Two buses leave towns 1841 kilometers apart at the same time and travel toward each other. One bus travels 9 kmh slower than the other. If they meet in 7 hours, what is the rate of each bus?
Linear Algebra
10/27/22
Express the polynomial v = x 2 + 4x − 3 in P(x) as a linear combination of the polynomials p1(x) = x 2 − 2x + 5, p2(x) = 2x 2 − 3x and p3(x) = x + 1.
Linear Algebra
10/26/22
Need help finding the linear equation
A local water park found that if the price of admission was $16 the attendance was about 2850 customers per week. When the price of admission was dropped to $10 attendance increased to about 3100...
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Linear Algebra
10/24/22
What is the distance?
Public wheelchair ramps are required to adhere to a slope of 1:12. Which means that for every 1 inch of rise the horizontal run must be 12 inches. The vertical distance from the ground to the...
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Linear Algebra
10/21/22
Construct a polynomial function of least degree
Construct a polynomial function of least degree possible using the given information.Real roots: −1, 1, 3 and (2, f(2)) = (2, 7)
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