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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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Linear Algebra Algebra 1 Slope Intercept Form

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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Linear Algebra

02/12/21

Let B be the set....

Let B be the set.... |-2 | | 6 |B = { | 3 | , | -1 | } | 0 | | 5 |Determine if B is a basis for R^3 and check the correct answer(s) below.A. B is not a basis because it... more

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Linear Algebra

02/12/21

The vectors .....

The vectors | 3 | | -7 | | -2 |V1 = | -2 | V2=| 5 | V3= | 2 | | 0 | | -3 | | K |form a basis for R^3 if and only if K... more

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Linear Algebra Linear Equations

02/10/21

linear question

A company finds that there is a linear relationship between the amount of money that it spends on advertising and the number of units it sells. If it spends no money on advertising it sells 250... more

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Linear Algebra Math Linear Equations

02/10/21

Please I really need help with this question and if you do answer please add the steps :)

Write a system of linear inequalities so the points (1, 2) and (4, −3) are solutions of the system, but the point (−2, 8) is not a solution of the system.

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Linear Algebra

02/10/21

What is the correct answer on computing A^2-2A+I from given matrix below?

Compute A2 - 2A + I.

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Linear Algebra Algebra 1 Algebra 2 Calculus

02/09/21

Solve for the following problems. Provide a detailed solution.

1. If f(x) = 5x^4 - 4x^3 + 3x^2 - 2x + 1, find f(-1).2. If f(n+1) = 2f(n) + 1 for every natural number n and f(1) = 3, find f(11).3. The function is called a nested function, and is defined as:f(x)... more

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Linear Algebra Algebra 1 Algebra 2 Calculus

02/09/21

Solve for the following problems. Provide a detailed solution.

1. If f(x) = 5x^4 - 4x^3 + 3x^2 - 2x + 1, find f(-1).2. If f(n+1) = 2f(n) + 1 for every natural number n and f(1) = 3, find f(11).3. The function is called a nested function, and is defined as:f(x)... more

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Linear Algebra Math Algebra 1 Algebra 2

02/09/21

Which of the following statements is TRUE?

The different isotopes of an element are always equally abundant. Atoms of different elements may have the same mass numbers. The identify of an atom cannot be determined solely by its atomic... more

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Linear Algebra

02/08/21

Find all values of a, b, and c for which A is symmetric. Use the symbol t as a parameter if needed.

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Linear Algebra

02/08/21

Compute A^2-2A+I.

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

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...

Find the coordinate vector of 𝑥⃗ =

Find the coordinates of the vector 𝑥⃗ =

Consider the basis 𝐵 of ℝ^2 consisting of vectors..

The set 𝐵={𝑥2−3, 𝑥−6+2𝑥2, 3𝑥−19+7𝑥2} is a basis...

Linear equation.

Linear Algebra (Matrices)

Linear algebra (Matrices)

Calculate ((i + j) × (j + k)) · (i + k), if it exists

point slope form

The slope of the line shown below is (blank) Write the slope in simplest form

lines and slope intercept

college algebra linear systems

college algebra linear systems

Let B be the set....

The vectors .....

linear question

Please I really need help with this question and if you do answer please add the steps :)

What is the correct answer on computing A^2-2A+I from given matrix below?

Solve for the following problems. Provide a detailed solution.

Solve for the following problems. Provide a detailed solution.

Which of the following statements is TRUE?

Find all values of a, b, and c for which A is symmetric. Use the symbol t as a parameter if needed.

Compute A^2-2A+I.

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