1,954 Answered Questions for the topic linear algebra

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.
Linear Algebra Algebra 1 Algebra 2

11/03/22

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.
Linear Algebra Algebra 1 Algebra 2

11/03/22

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... more
Linear Algebra Math Algebra 1 Algebra 2

11/02/22

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.
Linear Algebra Math Algebra 1 Algebra 2

11/02/22

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.... more
Linear Algebra Math Algebra 1 Algebra 2

10/31/22

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) =... more
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... more
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

10/26/22

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... more
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... more
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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