Find the values of x, y, z and w in the following matrix equation
.
View AnsBy using the matrix method, find the image of the point (3, -2) after a reflection in the line y= -x followed by another reflection in the line x=0
View AnsThe inverse of matrix A is
Find matrix A.
View AnsAmani and Asha bought Coca-cola and Pepsi drinks for a farewell party. Amani spent Tshs. 9950 to buy 12 bottles of Coca-cola and 5 bottles of Pepsi drinks. Asha spent Tshs. 8150 to buy 9 bottles of Coca-cola and 5 bottles of Pepsi drinks. Formulate a system of linear equations and hence apply the matrix method to find the price of one bottle of each type of the drinks.
View AnsPoint A(4, 2) is reflected in the line y + x = 0 followed by an anticlockwise rotation through 90° about the origin. Find the final image of point A.
View AnsGiven the matrices .
Find
View AnsIf the matrix is singular, find the possible value of k
View AnsSolve the following system of linear equations by using inverse matrix method
View Ans
Find the inverse and identity matrix of A = .
View Ans
A linear translation Q carried point (x,y) into (x?,y?) such that x? = 5 ? 3x y and y? =? 2 + 4x y
(i) Determine the transformation matrix Q.
(ii) Find Q(3,3)
(iii) Find the image of the point obtained in part (b)(ii) under Q.
View AnsGiven matrices
And
Such that
Find elements of matrix P
View AnsGiven a triangle with vertices A(0,0) , B(3,0) and C(3,1) ? find its image under:
(i) a translation by the vector (2,3),
(ii) the enlargement matrix
(d) Sketch the triangle and the images in parts (c)(i) and (ii) on the same pair of axes and comment on their sizes.
View AnsThe matrices
and
are such that AB=A + B.
Find the values of a, b, c and d
View AnsTriangle PQR vertices at P(2, 2), Q(5, 3) and R(4, 1) is mapped onto triangle P'Q'R' by transformation matrix
Find coordinate of triangle P'Q'R'
View AnsDetermine the values of x which the matrix below has no inverse
View Ans
The matrices
and
are such that AB=A + B.
Find the values of a, b, c and d
View AnsTriangle PQR vertices at P(2, 2), Q(5, 3) and R(4, 1) is mapped onto triangle P'Q'R' by transformation matrix
Find coordinate of triangle P'Q'R'
View AnsDetermine the values of x which the matrix below has no inverse
View Ans
Find the image of the point A(4, 2) after a rotation about the origin through 1200 anticlockwise.
View AnsSolve the following system of simultaneous equations by using the matrix method.
View AnsTriangle ABC has the vertices A (l , l ), B (2, 4) and C (5, 3). Find the vertices of its image under the transformation matrix
View AnsIf matrix A is singular, what will be the value of y given that
View AnsSolve the following simultaneous equation by matrix method
2x + y = 7
4x+3y = 17
View AnsFind the image of (3, 5) after rotation of 270o about the origin in anticlockwise direction.
View AnsFind the value of t given that;
is a singular matrix
View AnsFind the image of a line x − 10y = 7, when undergoes reflection at the line x = y then translated at a factor T = (−2, 2)
View Ans(i) If
find |A| and A?1.
(ii) Use the inverse matrix obtained in (i) to solve 3x + 2y = 12 and 4x ? y = 5.
View Ans(i) Determine a matrix M which represents a reflection in the line y ? x = 0
(ii) Find the image of the line x + 2y ? 4 = 0 after a reflection in the line y ? x = 0.
View Ans (a) Given
find A?1.
(b) Use the results obtained in part (a) to find the point of intersection of the following system of simultaneous equations:
2x + 6y = 22
4x + 8y = 32
(c) Find the image of the point obtained in part (b) above under a rotation 90° anticlockwise.
View AnsSolve the following simultaneous equations by matrix method.
View AnsThe vertices of ABC are A(1,2) , B(3,1) and C(? 2,1). If triangle ABC is reflected on the xaxis, find the coordinates of the vertices of its image.
View AnsFind the value of k such that the matrix is singular.
View AnsIt is given that and k is a real number.
(i) Find the matrix A ? kI
(ii) Show that the matrix in c(i) above has no inverse if k2 ? 3k ? 10 = 0
View AnsFind the enlargement matrix which maps the point (? 3,4) into (18,? 24).
View AnsReflect the point (1,2)in the line x + y = 0.
View AnsFor what values of n will the matrix
be non-singular? (10 marks)
View AnsA transformation T has the matrix
Under the same transformation T, the point (-4, 1) is mapped onto the point (6, 3). Find x and r.
View Ans