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Linear Algebra Point Slope form and writing linear equations

01/11/20

Is the relationship shown by the data linear? If so, model the data with an equation. The relationship is not linear.

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Linear Algebra

01/08/20

x y 0 3 3 9 6 15 10 23 Which of the following linear equations corresponds to the table above?

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Linear Algebra

01/08/20

What are two examples of different right triangles that could like on a line with a slope of 2/5 (two fifths)?

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Linear Algebra Vectors

01/08/20

Vectors: Solve the following equations for the vector x ∈ ℝ2

x ∈ ℝ2(a) −2x + (0, −1) = (−2, 1) (b) (−4, 0) − x = (1, −1) − 2x (c) 2(x + 2(x + 2x)) = 5(x + 5(x + 5x)

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Linear Algebra True Or False Vectors

01/08/20

Vectors: Determine which of the following statements are true and which are false.

(a) For vectors v, w, z ∈ ℝn , if v + w = v + z then w = z. (b) The vector (3, 2, 1) is a linear combination of the vectors (1, 1, 1) and (1, 1, 0). (c) For vectors v, w, z ∈ ℝn, if v · w = v · z,... more

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Linear Algebra Vectors Parallelogram

01/08/20

Vector Parallelogram Question

If a parallelogram has diagonals described by the vectors x = (5, 4) and y = (3, −2), what are the sides v and w of that parallelogram?

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Linear Algebra Linear Equations

01/08/20

Intersection of 5x+2y=43 and -6x+3y=-30

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Linear Algebra

01/03/20

Find the angle between vectors u = [3,0] and v= [-1,1].

I found the following solution: cos⁡θ=(u⋅v) /‖u‖‖v‖= (3⋅(-1) +0.1) / (√ (3^2+0^2) ⋅√((-1) ^2+1^2)) =-3/ (√9 √2). However, the correct solution is -1/√2. What did I wrong? How do they find this... more

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Linear Algebra Algebra 1 Algebra 2 Sat Math

01/02/20

In a system of pressure-assisted pumps linking 3 tanks, what are the steady-state tank volumes achieved, given an initial volume of 10 gallons in tank A?

A system of 3 tanks (A, B, and C) are linked by 6 pressure-assisted pumps. From tank A, a pump pumps 0.1 gallon/minute per gallon in tank A, to tank B. Another pump pumps 0.2 gallons/minute per... more

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Linear Algebra Math Linear Equations

01/02/20

For each problem, set up an equation and solve it using the balance method.

For each problem, set up an equation and solve it using the balance method. a) the perimeter of a rectangular car park is 88 m. If the length is 12m more than the width, what are the dimensions of... more

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Linear Algebra

01/02/20

How to tell if these lines are perpendicular to each other?

l1: 7x + 2y - 3 = 0l2: l(t) = (1 - t) * Matrix [1 0] + t * Matrix [-6 -2] where both matrices are 2x1.Thanks!

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Linear Algebra

01/01/20

I really don’t understand this, please help ASAP! :(

Write a linear equation through the point (-3, -2) with a y-intercept of 3.

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Linear Algebra Math Algebra 2 Linear Equations

12/19/19

Is this a linear or quadratic function?

y = (x+1)(6x-6)-6x^2 Linear or quadratic? What's the linear term? Constant term?

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Linear Algebra Precalculus Mathematics

12/17/19

what is the largest area that can be enclosed

"A homeowner has a 100 feet of fencing and wants to section off a corner of her yard for a chicken pin. She will enclose a Rectangular plot that using the current fencing in the corner. what is... more

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Linear Algebra Algebra 1 Algebra 2 Algebra

12/15/19

What is the slope of a line passing through points (-7,5) and (5,-3)?

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Linear Algebra

12/06/19

Determine whether the graphs of the given equations are parallel, perpendicular, or neither. Explain.

y=4x+5-4x+y=-13

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Linear Algebra

12/06/19

keiko is on her way home in her car.her drive is 24 miles long . she has finished two-thirds of the drive so far. how far has she driven

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Linear Algebra Math Algebra 1 Algebra 2

12/05/19

Can someone help me solve this linear programming problem?

A calculator company produces a scientific calculator and a graphing calculator. There is an expected demand of at least 60 scientific and 80 graphing calculators each day. Because of limitations... more

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Linear Algebra Algebra 1 Algebra 2 Prealgebra

12/05/19

The sum of two numbers is 120. Three times their difference is 48. What are the numbers?

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Linear Algebra

12/04/19

Help with linear algebra

is the function below a linear transformation? why or why not? T:C3 ---> C2, T([x1][x2][x3]) = [-1x1-7x2+3x3],[-1x1+8x3-5]

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Linear Algebra Problem Solving Word Problems

12/04/19

algebra 1 problem solving

Norman and Suzanne own 27 shares of a fast food restaurant stock and 61 shares of a toy company stock. At the close of the markets on a particular day in 2004, their stock portfolio consisting of... more

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Linear Algebra

12/03/19

Linear Algebra Question

. Let 𝑊 be the set of all matrices of the following form with real numbers 𝑎, 𝑏, 𝑐, 𝑑. [ 𝑎 𝑏 0 𝐴 = | 𝑏 𝑐 𝑑 0 𝑑 𝑎 ] a) Determine whether the set 𝑊 is a subspace of 𝑀33 (vector... more

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Linear Algebra Algebra College Algebra Algebra College

12/01/19

How to solve: A movie theater has a seating capacity of 355. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.

A movie theater has a seating capacity of 355. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults. There are half as many adults as there are children. If the total... more

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Linear Algebra

12/01/19

cost for each pound of jelly beans. cost for each pound of almonds

A store is having a sale on jelly beans and almonds. For 9 pounds of jelly beans and 7 pounds of almonds, the total cost is $35. For 3 pounds of jelly beans and 5 pounds of almonds, the total cost... more

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Linear Algebra Math

11/26/19

Linear Algebra Question

Let A =-17 -1510 8Find a matrix S, a diagonal matrix D, and S^-1 such that A=SDS^-1.

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Answers •2

Is the relationship shown by the data linear? If so, model the data with an equation. The relationship is not linear.

x y 0 3 3 9 6 15 10 23 Which of the following linear equations corresponds to the table above?

What are two examples of different right triangles that could like on a line with a slope of 2/5 (two fifths)?

Vectors: Solve the following equations for the vector x ∈ ℝ2

Vectors: Determine which of the following statements are true and which are false.

Vector Parallelogram Question

Intersection of 5x+2y=43 and -6x+3y=-30

Find the angle between vectors u = [3,0] and v= [-1,1].

In a system of pressure-assisted pumps linking 3 tanks, what are the steady-state tank volumes achieved, given an initial volume of 10 gallons in tank A?

For each problem, set up an equation and solve it using the balance method.

How to tell if these lines are perpendicular to each other?

I really don’t understand this, please help ASAP! :(

Is this a linear or quadratic function?

what is the largest area that can be enclosed

What is the slope of a line passing through points (-7,5) and (5,-3)?

Determine whether the graphs of the given equations are parallel, perpendicular, or neither. Explain.

keiko is on her way home in her car.her drive is 24 miles long . she has finished two-thirds of the drive so far. how far has she driven

Can someone help me solve this linear programming problem?

The sum of two numbers is 120. Three times their difference is 48. What are the numbers?

Help with linear algebra

algebra 1 problem solving

Linear Algebra Question

How to solve: A movie theater has a seating capacity of 355. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.

cost for each pound of jelly beans. cost for each pound of almonds

Linear Algebra Question

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