1,963 Answered Questions for the topic linear algebra

Linear Algebra

01/28/21

Find positive integers that satisfy

Find positive integers that satisfy
Linear Algebra Math Algebra 1 Algebra 2

01/28/21

h(t)=-5(t+2)(t-20) where h(t) is the height in meters and t is the time in seconds after the launch.

a) How high is the roof? b) When will the rocket hit the ground? c) What is the maximum height of the rocket? d) when will the rocket reach the maximum height? e) Graph the relation and label... more

01/27/21

Determine the equation of a line that has the same x-intercept as the line x+4y−1=0 and the same y-intercept as the line 4x−5y−10=0

(2 marks for finding x-intercept, 2 marks for finding y-intercept, 1 mark for finding slope, 1 mark for creating equation)

01/27/21

A quadrilateral has vertices A(-1, -2), B(1, 2), C(9, -2), and D(7, -6). Without graphing, determine whether this quadrilateral is a rectangle.

Note: vertices are listed in clockwise orderNote: a quadrilateral is a 4-sided shapeNote: a rectangle has two sets of parallel lines(1 mark for finding slope of AB, 1 mark for finding slope of BC,... more

01/27/21

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).

(0.5 mark for substituting slope value correctly, 0.5 mark for substituting x and y values correctly, 1 mark for isolating and solving for b, 1 mark for writing correct equation)
Linear Algebra

01/27/21

I need help graphing this solution.

Graph the solutions to y = -1/2x on the same coordinate plane.
Linear Algebra Algebra 1 Functions

01/27/21

Write a linear function f with the values f(0)=-5 and f(1)=-3

Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix?

Find the general solution of the system whose augmented matrix is given belowa. x1 = x2 is freex3 is freeb. x1 =x2 =x3 =c. x1 = x2 is freex3 = d. The system has no solution
Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix is given below

Chose one:1.x1 = x2 = x3 is free2.x1 = x2 = x3 =3.x1= x2 is free x3 is free4.The system has no solution
Linear Algebra

01/25/21

Which matrix is in reduced echelon form or only in echelon form?

Which matrix is in reduced echelon form and which others are only in echelon form.Is matrix 1 in reduced echelon form, echelon form only, or neither?Is matrix 2 in reduced echelon form, echelon... more
Linear Algebra

01/25/21

Determine the value of such that the matrix is the augmented matrix of a consistent linear system

a) the matrix is the augmented matrix of a consistent linear system if h ≠ []b) The matrix is the augmented matrix of a consistent linear system if h = []c) The matrix is the augmented matrix of a... more
Linear Algebra Algebra 1 Algebra 2 Algebra

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more
Linear Algebra Algebra 1 Algebra 2 Algebra

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more

01/25/21

A town is organizing a Fourth of July Parade. Solve the Problem by showing your work, solutions and your steps.

Solve the Problem by showing your work, solutions and your steps.A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is... more
Linear Algebra Linear Equations

01/25/21

A town is organizing a Fourth of July Parade.

A town is organizing a Fourth of July parade. There will be two sizes of floats in the parade, the first is 30ft and the second is 15ft.. A space of 10 ft will be left after each float. A. Describe... more
Linear Algebra Algebra 1 Algebra 2

01/22/21

please help me with this question :For what values (s) of h is y  in the plane generated by v1   and  v2 ?

Let   =  ,    , and = For what values (s) of h is  in the plane generated by   and   ?
Linear Algebra Algebra 1 Algebra 2 Calculus

01/20/21

Is this math statement true:

Is this math statement true:: If AB = 0, then A = 0 or B = 0 or both are equal to zero.    
Linear Algebra

01/20/21

Linear Independence of Column and Row Vectors

Question : Let A be an n*n matrix.Prove the following :If column vectors of A are linearly independent, then the row vectors of A are linearly independent.Thank you!
Linear Algebra

01/20/21

When a number is decreased by 10% of itself, the result it 135. What is the number?

Linear Algebra

01/20/21

When a number is decreased by 10% of itself, the result it 135. What is the number?

Linear Algebra Calculus

01/20/21

true/false matrices: which of the following are true

A. If 𝐴 is an 𝑛×𝑛 matrix and if the equation 𝐴𝑥=𝑏 does not have a solution for some 𝑛-vector 𝑏 in ℝ𝑛, then 𝐴 cannot have a pivot position in every row. B. The matrix 𝐴 is 𝑠𝑖𝑛𝑔𝑢𝑙𝑎𝑟 if the... more
Linear Algebra

01/20/21

A^-1 element Qn,n

Hey, i am studying linear algebra 1 , i need a solution for this problem please , i don't know how to start:(Let A =[aij] € GLn (IR) with aij element Z. Show the following statements: 1.) A^-1... more

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