1,959 Answered Questions for the topic linear algebra

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
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
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
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
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
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
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.
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).
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
Linear Algebra

12/14/22

S is linearly dependent or independent and Find a basis for W and What is the dimension of W

You need to provide a clear and detailed solution for the following Questions:Let W be the subspace of P3 spanned by S={ t^3+t^2-2t+1 , t^2+1, t^3-2t , 2t^3+3t^2-4t+3}a) Check whether the set S is... more
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
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
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) = ???
Linear Algebra

12/05/22

Find the slope and Y intercept of the linear equation

Y=11 + 1.5x
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
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
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
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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