Grade 10
Grade 11
Matrices
Grade
11
Term
3
If A=(321240), what is the order of matrix A?
Given P=(20−15) and Q=(3−24−3), find P+Q.
Using matrices P and Q from question 2, calculate 3P−2Q.
If (x+135y−2)=(4351), find the values of x and y.
Which of the following matrices is a symmetric matrix? (a) (1324) (b) (1552) (c) (1100)
Find the product: (23)(41).
Find the product AB if A=(2312) and B=(1245).
Is the product BA defined for the matrices in question 7? If so, find it.
If M=(4263), find the matrix M2.
Given I=(1001), find 3I. What is this type of matrix called?
If A=(3512) and B=(2−5−13), find AB. What can you say about matrix B in relation to A?
Solve for the matrix X: 2X+(1−352)=(7−118).
A store sells pens for Rs. 20 and books for Rs. 150. Person A buys 3 pens and 2 books. Person B buys 5 pens and 1 book. Represent the prices as a column matrix and the quantities as a 2×2 matrix. Find the total spending for each person using matrix multiplication.
If (21−10)(xy)=(52), find the values of x and y.
For which values of p is the matrix (p14p) singular (i.e., its determinant is zero)?
