1,954 Answered Questions for the topic linear algebra

Linear Algebra Math Algebra 1 Prealgebra

01/06/23

Find the slope of the line that passes through (6, 5) and (1, 8). Simplify your answer and write it as a proper fraction, improper fraction, or integer.
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Linear Algebra Algebra 1

01/05/23

can anyone please explain to me how to solve this graph exercise?
Given: A = {1,2,3}, B = {4,5,6} C = {a,b}Find:a. A x B b. B x C c. A x CGiven: A = (3,6,9), B = (4,5,6)a. Find A x Bb. Find the relation that the first component is smaller than the... more
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Linear Algebra

01/05/23

linear equations
Five less than a number is greater than 10.  This is an inequality problem. Write inequality statement for this problem and then solve the inequality. Include a description of what numbers are part... more
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Linear Algebra

01/04/23

Linear equation

Given the following information, write the linear equation: A line goes through (1, 2) and has a slope of 7
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Linear Algebra

12/27/22

Orthogonality question from Linear Algebra
a) Let u1,u2,u3 are vectors in RN. Suppose that vectors u1, u2 are orthogonal and the norm of u2 is 4 and uT2.u3 = 7. Find the value of the real number 'a' in u1= u2 + au3.b) Let S =... more
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Linear Algebra Math Calculus Precalculus

12/25/22

Calc FRQ 2 AP Practice Question
Consider the curve given by the equation y 2 – 2x 2y = 3. Show your work.a) Determine 𝑑𝑦/𝑑𝑥. b) Write an equation for the line tangent to the curve at the point (1, –1). c) Determine the... more
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Linear Algebra Math Calculus Precalculus

12/25/22

Calculus FRQ AP Practice Question
Water is flowing into and out of a small reservoir so that the total amount of water can be modeled by R, where 𝑅(𝑡) = 20 − 15sin( 𝑡^2/25) cubic feet, t is measured in hours, and 0 ≤ t ≤ 8. Show... more
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Linear Algebra Math Trigonometry

12/25/22

Consider vectors u=(2,3,5) and v=(1,-4,5). What is the angle θ between them
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Linear Algebra

12/20/22

Write an equation for a linear function that passes through the points (1,9) and (6,34)
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Linear Algebra

12/20/22

Write an equation for a line that passes through the point (12,-2) and has a slope of 1/6
Be sure to show your work.
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Linear Algebra

12/17/22

If A is n x n, what is the determinant of scalar k times A?
If A: n x n, prove det(kA) =k^n det(A).
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Linear Algebra

12/16/22

What’s the numerical value of the rate of change?
For babysitting, Nicole charges a flat fee $8, plus $5 per hour
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Linear Algebra Math Algebra 1 Algebra 2

12/14/22

if x + 2 is a factor of f(x) = 2x^3 - 3x^2 - 4x + a. What is the value of a?
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Linear Algebra

12/13/22

Set of all polynomials of degree less than or equal 4

The polynomials  span (Set of all polynomials of degree less than or equal 4 )Select one:TrueFalse
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Linear Algebra

12/13/22

Which of the following is a subspace of R3 ?
All vectors of the form (a,b,c) where b=c=0None of these
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Linear Algebra

12/10/22

SUppose T: ℝ3→ℝ2 is a linear transformation. Three vectors U1, U2 and U3 are given below together with their images by T. Find T(W) for the given vector W.
U1 = <1,−1,2> U2 = <−3,3,−6> U3 = <2,1,5> W = <−7,−2,−17> T(U1) = <−15,2> T(U2) = <45,−6> T(U3) = <−20,−6> T(W) = ???
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Linear Algebra

12/08/22

Find the equation of the linear function that has a slope of -8/3 and passes through the point (-3,4)
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Linear Algebra

12/05/22

Find the slope and Y intercept of the linear equation
Y=11 + 1.5x
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Linear Algebra Math Calculus Finite Math

12/02/22

Consider the discretion, Derivatives question
h(x) = f(x)/(2-f(x))below is a table of values with f'(x) being the derivative of f(x)l x l f(x) l f'(x)ll 1 l 3 l 2 ll 3 l -5 l 7 la) Determine the equation of the tangent line to... more
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Linear Algebra Math Precalculus

12/02/22

If 8 g of radioactive substance are present initially and 9 yr later only 4.0 remain, how much of the substance, to the nearest tenth of a gram, will be present after 17 yr?
Exponential Growth and Decay
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Linear Algebra Math

12/01/22

Linear Equations in Slope-Intercept Form
the function shown models the depth d (in inches) of snow on the ground during the first 9 hours of a snowstorm, where t is the time (in hours) after the snowstorm begins. Function: d(t)=1/2t+6Add... more
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Linear Algebra

12/01/22

find the standard form equation for the line that has the same slope as 2x-5y=-30 and the same y intercept as the line 2x-3y=9
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Linear Algebra

11/28/22

Find the X and the Y
"At the local ballpark, the team charges $6 for each ticket and expects to make $1,100 in concessions. The team must pay its players 2,100 and pay all other workers 2,000. Each fan gets a free bat... more
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Linear Algebra Precalculus

11/28/22

PLS HELP! Which of the following graphs could depict the function f(x)=m(x+d)^1/5, if both m and d are positive numbers?
Accurately sketch a graph that could depict the function f(x)=m(x+d)^1/5, if both m and d are positive numbers?
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Linear Algebra Math Calculus Statistics

11/27/22

The probability of a plane crashing on a single trip in 2010 was 0.00000276. Find the approximate probability that in 10 million flights, there will be fewer than 17 crashes.

You may need to use the appropriate appendix table or technology to answer this question.The probability of a plane crashing on a single trip in 2010 was 0.00000276. Find the approximate... more
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