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Pearson Algebra 2 Common Core, 2011

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Pearson Algebra 2 Common Core, 2011 View details

2. Matrix Multiplication

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Exercise 9 Page 777

Multiply each individual element by the constant.

-3 & -6 9 & -3

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 1 & 2 -3 & 1

Multiply matrix by -3

-3(1) & -3(2) -3(-3) & -3(1)

Multiply

-3 & -6 9 & -3

Subchapter links

Lesson Check p.777

Practice and Problem-Solving Exercises p.777-779

Standardized Test Prep p.779

Mixed Review p.779