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Linear Algebra

11/09/20

Write equations of parallel and perpendicular lines

Write the equation of a line that is parallel to y=−32x−1y=−23x−1y, equals, minus, start fraction, 3, divided by, 2, end fraction, x, minus, 1 and that passes through the point (4,6)(4,6)left... more

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Linear Algebra Math Algebra 2 Algebra

11/08/20

Linear Algebra : Span of Vectors

Determine whether the following polynomials span P2:p1 = 1 - x + 2x2 ; p2 = 3 + x ; p3 = 5 - x + 4x2 ; p4 = -2 + 2x + 2x2

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Linear Algebra

11/06/20

graphing proportional and nonproportional relationships

the value of y varies directly with x. and y=-3 when x=0.75ive come up with the equation y=-4x How do you graph that on a coordinate plane

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Linear Algebra

11/05/20

Slope and graphs

Graph the slope of 5/3x

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Linear Algebra Math Calculus

11/04/20

Assume that 𝑢⋅𝑣=3, ‖𝑢‖=8, and ‖𝑣‖=4. What is the value of 8𝑢⋅(𝑢−9𝑣)?

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Linear Algebra

11/04/20

(10 pts) Calculate the coordinates of the vector x = (9, −17, −12)T with respect to a basis B in R 3 that consists of the vectors u = (−1, 0, −5)T , v = (3, −6, −3)T and w = (−3, 5, 1)T !

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Linear Algebra

11/04/20

Suppose that the line ℓ is represented by 𝐫(𝑡)=⟨14+2𝑡,17+4𝑡,36+8𝑡⟩ and the plane 𝑃 is represented by 2𝑥+4𝑦+6𝑧=6.

1. Find the intersection of the line ℓ and the plane 𝑃. Write your answer as a point (𝑎,𝑏,𝑐) where 𝑎, 𝑏, and 𝑐 are numbers. 2. Find the cosine of the angle 𝜃between the line ℓ and the normal... more

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Linear Algebra Math

11/04/20

Find the intersection of the line and plane: 2𝑥−4𝑦+𝑧=38, 𝐫(𝑡)=⟨2,−1,0⟩+𝑡⟨2,−2,−2⟩

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Linear Algebra

11/04/20

Linear Algebra, advanced mathematics

Okay, let e1 = (1,0), e2 = (0,1), y1 = (2,5), and y2=(-1,6). Let T: R2 →R2 be a transformation that maps e1 into y1 and maps e2 into y2. Find the image of (5, -3) under T. Is T onto? Is it... more

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Linear Algebra

11/03/20

Find the point slope

Find the point slope form for the equation of the line satisfying the conditions.Passing through (5,3) and (8,5)

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Linear Algebra

11/03/20

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

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Linear Algebra

11/03/20

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

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Linear Algebra

11/02/20

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

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Linear Algebra Algebra 2

11/02/20

please help very quickly! please!

Question 1: Harry is organizing a picnic. He can spend at most $24.00 on beverages. Iced tea costs $2.00 per gallon and lemonade costs $2.50 per gallon. If x represents the number of gallons of... more

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Linear Algebra

10/31/20

Gram-Schmidt Orthogonalization

How does Gram-Schmidt Orthogonalization work, and why should we do it?

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Linear Algebra Algebra

10/31/20

Vector Spaces - Linear Algebra

Let R and C be the field of real numbers and the field of complex numbers, respectively. Let Mm,n(R) be the set of all m × n matrices over R and let Mn(R) = Mn,n(R). Let R 3 = {(x, y, z) : x, y, z... more

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Linear Algebra

10/29/20

please help on this ive tried multiple times but can't seem to get it right

Kasonga is 38 inches tall. He is 4/5 as tall as his brother. How tall is his brother?Round your answer to the nearest inch.

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Linear Algebra

10/29/20

Help pleaseeeeeeeeeee

Harry is 36 inches tall. He is 6/7 as tall as his brother. How tall is his brother? Round your answer to the nearest inch.

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Linear Algebra Math Algebra 2

10/29/20

Write the standard form of the equation of the line described. Through: (1,5), parallel to y=x+5y=x+5

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Linear Algebra

10/27/20

Determine if the line (𝑙) and the plane (𝛼)are parallel or perpendicular. (𝛼):2𝑥+𝑦−2𝑧=3 (𝑙): x=2t+1, y=-2t-2, z=t+1

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Linear Algebra Algebra 1 Algebra 2 Algebra

10/27/20

Any insight on how to solve this problem will be greatly appreciated.

Find the inverse of f(x)=|x-3|. State whether or not the inverse is a function. If it is not, what do we need to do to make it a function.

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Linear Algebra

10/27/20

Determine if the line (𝑙) and the plane (𝛼)are parallel or perpendicular. (𝛼):2𝑥+𝑦−2𝑧=3 (𝑙): x=2t+1, y=-2t-2, z=t+1

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Linear Algebra Math Prealgebra Precalculus

10/26/20

The population of a small town is growing at a constant rate. (Please show me step by step)

The population of a small town is growing at a constant rate. In 2007 the population was 15,400 and in 2013 the population was 22,600.Part A: Use the data points (7, 15400) and (13, 22600) to write... more

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Linear Algebra

10/26/20

What is the common difference in the arithmetic sequence -3, -1, 1, 3

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Linear Algebra Algebra Linear Equations

10/26/20

Linear Relationships in Point Slope Forn

An athlete has decided to track how many minutes the exercise each day. During the first day, the athlete exercised for 30 minutes. For each day after that, the athlete increased their exercise... more

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Write equations of parallel and perpendicular lines

Linear Algebra : Span of Vectors

graphing proportional and nonproportional relationships

Slope and graphs

Assume that 𝑢⋅𝑣=3, ‖𝑢‖=8, and ‖𝑣‖=4. What is the value of 8𝑢⋅(𝑢−9𝑣)?

(10 pts) Calculate the coordinates of the vector x = (9, −17, −12)T with respect to a basis B in R 3 that consists of the vectors u = (−1, 0, −5)T , v = (3, −6, −3)T and w = (−3, 5, 1)T !

Suppose that the line ℓ is represented by 𝐫(𝑡)=⟨14+2𝑡,17+4𝑡,36+8𝑡⟩ and the plane 𝑃 is represented by 2𝑥+4𝑦+6𝑧=6.

Find the intersection of the line and plane: 2𝑥−4𝑦+𝑧=38, 𝐫(𝑡)=⟨2,−1,0⟩+𝑡⟨2,−2,−2⟩

Linear Algebra, advanced mathematics

Find the point slope

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

Find the line of intersection of the planes 𝑥+𝑦−2𝑧=2 and 2𝑥−𝑦+𝑧=1.

please help very quickly! please!

Gram-Schmidt Orthogonalization

Vector Spaces - Linear Algebra

please help on this ive tried multiple times but can't seem to get it right

Help pleaseeeeeeeeeee

Write the standard form of the equation of the line described. Through: (1,5), parallel to y=x+5y=x+5

Determine if the line (𝑙) and the plane (𝛼)are parallel or perpendicular. (𝛼):2𝑥+𝑦−2𝑧=3 (𝑙): x=2t+1, y=-2t-2, z=t+1

Any insight on how to solve this problem will be greatly appreciated.

Determine if the line (𝑙) and the plane (𝛼)are parallel or perpendicular. (𝛼):2𝑥+𝑦−2𝑧=3 (𝑙): x=2t+1, y=-2t-2, z=t+1

The population of a small town is growing at a constant rate. (Please show me step by step)

What is the common difference in the arithmetic sequence -3, -1, 1, 3

Linear Relationships in Point Slope Forn

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