Pearson Algebra 2 Common Core, 2011
PA
Pearson Algebra 2 Common Core, 2011 View details
2. Matrix Multiplication
Continue to next subchapter

Exercise 7 Page 777

Multiply each individual element by the constant.

9 & 12 18 & -6 3 & 0

Practice makes perfect
To multiply a matrix by a scalar, we need to multiply each individual element by the value of the scalar. This operation is called scalar multiplication. Recall that a scalar is a constant. Let's do it!
3 3 & 4 6 & -2 1 & 0

Multiply matrix by 3

3(3) & 3(4) 3(6) & 3(-2) 3(1) & 3(0)
9 & 12 18 & -6 3 & 0