Post a New Question

Math

posted by .

Express the vector as a combination of the standard unit vectors i and j.

v = AB where A = (10,-11) and
B = (-11,8)

I want to make sure I did this right:
<-11-10, 8--11> = <-21, 19>

So it's -21i + 19j?

Thank you!

  • Math -

    yes

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    If A^TA is an invertible matrix, prove that the column vectors of A are linearly independent. You know that if statement X implies statement Y then that is equivalent to Not(Y) implies Not(X). You can start by taking the column vectors …
  2. Math - vectors

    In the product F(vector)=q(V(vector)xB(vector), take q = 4, V(vector)= 2.0i + 4.0j + 6.0k and F(vector)= 136i -176j + 72k. What then is B(vector) in unit-vector notation if Bx = By?
  3. vectors

    Given the vectors v=-2i+5j and w=3i+4i, determine (do I just plug what is given?
  4. science (physics) Need to solve this today please

    (a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S?
  5. Math - Algebraic Vectors

    Given the vectors: u = [3, 0] v = [-1, 2] a) Express the vector w = [2, 8] as a linear combination of vectors u and v. How do I do this?
  6. Math: Vectors

    Find any vector w that is perpendicular to both vector "u = 3j + 4k" and vector "v = 2i". Note: i, j and k are unit vectors How would you solve this problem?
  7. Mamthematics - Vectors

    a) If vector u and vector v are non-collinear vectors show that vector u, vector u cross product vector v and (vector u cross product vector v) cross product vector u are mutually othogonal. b) Verify this property using vectors collinear …
  8. Calculus

    Find a unit vector in the direction of v = (1,-1). Write your answer as a linear combination of the standard unit vectors i and j. Round each component to the nearest hundredth, if necessary. A 0.71i - 0.71j B 0i - 0j C 1.41i - 1.41j …
  9. Math

    The position vectors for points P and Q are 4 I + 3 j + 6 j + 6 k respectively. Express vector PQ in terms of unit vectors I, j and k. Hence find the length of PQ, in simplified surd form.
  10. Prabhat academy

    If vector a & vector b are unit vectors ,then what is the angle between vector a & vector b so that vector a + vector b may be unit vectors

More Similar Questions

Post a New Question