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# Multiplication of a Matrix Quiz Questions PDF p. 10

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"Two matrices A and B are multiplied to get AB if", multiplication of a matrix Multiple Choice Questions (MCQ) with choices both have same order, both are rectangular, no of columns of a is equal to columns of b, and no of rows of a is equal to no of columns of b for online colleges for science. Practice matrices and determinants questions and answers to improve problem solving skills for accredited online colleges.

## Quiz on Multiplication of a Matrix

1.

Two matrices A and B are multiplied to get AB if

both are rectangular
both have same order
no of columns of A is equal to columns of B
no of rows of A is equal to no of columns of B

2.

Sin(A+45°)sin(A-45°) =

−1/2cos(2A)
−1/2sin(2A)
1/2cos(2A)
None of Above

3.

The identity (x+3)(x+4) = x² + 7x + 12 is true for

two values of x
one value of x
all value of x
None of Above

4.

If a < 0, then the function ƒ(x) = a x² + bx + c has

maximum value
minimum value
constant value
positive value

5.

{X | x ε N Ʌ x < 1} is the

singleton set
The set with two points
a set with three points
Empty set