1,975 Answered Questions for the topic linear algebra

Linear Algebra Math Calculus Mathematics

06/22/21

VERY EASY LINEAR ALGEBRA QUESTION PLEASE HELP

Matris a is shown upon. For every natural number n show and solve the below.

06/20/21

Vectors, Linear Map; Injective and surjective

Let vector, v = - j + k in R3f : R3 ---> R3f(u) = v x u + 2u for u in R3 (u, v, j, k are vectors)How can we determine if f is surjective or not? How can we determine if f is... more
Linear Algebra Algebra 1 Algebra 2 Calculus

06/20/21

Calculus question related to series please help asap!

f(x) = summation from n equals 1 to infinity of the product of the quotient of the quantity n plus 1 and 4 to the n plus 1 power and x to the nth power with an interval of convergence, –4 < x... more
Linear Algebra Geometry Precalculus Hyperbola

06/18/21

Determining degernerate conics

How can I tell the type of this conic, and determine if it is degenerate or not?x2 + 4xy + 2x + 2y2 - 1 = 0
Linear Algebra Math Algebra Linear Equations

06/17/21

How to determine if a function is simple in linear algebra?

V = { (x, y, z) in R3 : x + y - z = 0 } and f : R3 ---> R3V = Ker(f) and  1 is an eigenvalue of f .How can I determine if f is simple or not ? And also... more

06/17/21

What could be the eigenvalues of the transpose of a matrix?

A is an nxn matrix and f : Rn,n ---> Rn,nf(A) = f(AT)How can I find the eigenvalues of f? Thank you for the help,

06/15/21

4x4 matrix characteristic polynomial

Is there a shortcut way to find the characteristic polynomial of a 4x4 matrix like this? 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Thank you so much for the help
Linear Algebra Math Algebra 2

06/12/21

Number line math

Find the number that is 9/10 of the distance from -10 to -9also find the number that is 7/9 if the distance from 3 to 5
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

Hi. I have a question. Can I receive help quickly because my homework is due in 1 hour.

The volume V of a rectangular pyramid varies jointly as the area of the base B and the height h. V = 56 m3, when B = 24 m2 and h = 7 m. Identify B when V = 81 m3 and h = 9 m. A.) 25 m2B.) 27 m2
Linear Algebra Algebra 2 Calculus Prealgebra

06/11/21

My homework needs to be turned in 45 minutes. Please help me with question because I continue to get it wrong. Please help me as soon as possible

Determine whether f is an exponential function of x. If so, find the constant ratio. A.) f is not an exponential function.B.) f is an exponential function with a second difference of 5.C.) f is an... more
Linear Algebra Algebra 1 Algebra 2 Calculus

06/11/21

This question is about the volume of a rectangle. Can I get help as soon as possible please?

The volume V of a rectangular pyramid varies jointly as the area of the base B and the height h. V = 56 m3, when B = 24 m2 and h = 7 m. Identify B when V = 81 m3 and h = 9 m. A.) 24 m2B.) 25 m2C.)... more
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

I have a headache and I am so stressed. Can I please get some help as soon as possible?

Identify the data set which represents a direct variation.A.)  B.) C.) D.) 
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

My algebra homework is confusing. Um can I get some help quickly

Identify the function that best models the given data. A.) f(x) ≈ 199(1.25)xB.) f(x) = 1.25x + 199C.) f(x) = 1.25x2 − 2.25x + 199D.)
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

hello. I have been struggling with this one question from my Algebra homework and I keep getting it wrong. Can someone help me as soon as possible?

Evaluate the function it at x = −1 and x = 5.A.) p(−1) = 3 and p(5) = 20B.) p(−1) = 8 and p(5) = 27C.) p(−1) = 3 and p(5) = 27D.) p(−1) = 8 and p(5) = 20
Linear Algebra Math Algebra 2 Calculus

06/11/21

Hi my homework is due in about 50 minutes. Please if someone is on please respond please help me as soon as possible

Identify an equation in standard form for an ellipse with its center at the origin, a vertex at (0, 6), and a co-vertex at (2, 0). A.) B.) C.) D.)
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

Hello I need help please this homework is confusing please as quickly as possible

Identify the function that best models the given data. A.) f(x) ≈ 199(1.25)xB.) f(x) = 1.25x + 199C.) f(x) = 1.25x2 − 2.25x + 199D.)
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

I have to turn my homework in a few hours. I need help quickly because i always receive help after the time I’m supposed to turn it in

Identify the equation for the parabola with focus F(0, 9) and directrix y = −9.A.)B.)C.) y = 36x2D.) y = −36x2
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

Hi I have a question and I keep getting it wrong. Could someone help me as soon as possible ?

Question 1: Determine whether f is an exponential function of x. If so, find the constant ratio. A.) f is not an exponential function.B.) f is an exponential function with a second difference of... more
Linear Algebra Math Algebra 2 Calculus

06/11/21

Hi. I am new and I need immediate assistance with my homework please

Question 1: Eight different coffee mugs have to be arranged in a showcase. How many different arrangements are possible?A.) 50,000B.) 40,320C.) 30,760D.) 40,000 Question 2: Tina has 20 rings. In... more
Linear Algebra Algebra 1 Algebra 2 Calculus

06/11/21

I’m so stressed and tired please help me please with my math homework as fast as possible

Question 1: Identify a possible explicit rule for the nth term of the sequence 5, 3, 1, −1, −3, ….A.) an = 2n + 3B.) an = n + 4C.) an = 7 − 2nD.) an = 2n + 1Question 2: Identify the 7th term of the... more
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

Please help with this one question from my homework please i need it quickly

Question 1: Eight different coffee mugs have to be arranged in a showcase. How many different arrangements are possible?A.) 50,000B.) 40,320C.) 30,760D.) 40,000 Question 2: Tina has 20 rings. In... more
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

help me as soon as possible please. my algebra homework is confusing please i am on the verge of tears

Question 1: Identify an equation in standard form for an ellipse with its center at the origin, a vertex at (0, 6), and a co-vertex at (2, 0). A.) B.) C.) D.) Question 2: Identify the equation for... more
Linear Algebra Algebra 1 Algebra 2 Calculus

06/11/21

algebra homework question. need help quickly please

Question 1: Evaluate the function it at x = −1 and x = 5.A.) p(−1) = 3 and p(5) = 20B.) p(−1) = 8 and p(5) = 27C.) p(−1) = 3 and p(5) = 27D.) p(−1) = 8 and p(5) = 20 Question 2: Identify the... more
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

I have not received any assistance from anyone. Please someone respond and help me with my homework as soon as possible please

Identify the data set which represents a direct variation.A.)  B.) C.) D.)  Question 2: A.) 390 m2B.) 39 m2C.) 309 m2D.) 319 m2
Linear Algebra Math Algebra 1 Algebra 2

06/11/21

hi. I am in desperate need of assistance with my Algebra homework as soon as possible please

Question 1: Determine whether f is an exponential function of x. If so, find the constant ratio. A.) f is not an exponential function.B.) f is an exponential function with a second difference of... more

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