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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 8 Page 777

Multiply each individual element by the constant.

-12 & 4 8 & -16 -4 & 20

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!

4 -3 & 1 2 & -4 -1 & 5

Multiply matrix by 4

4(-3) & 4(1) 4(2) & 4(-4) 4(-1) & 4(5)

Multiply

-12 & 4 8 & -16 -4 & 20

Subchapter links

Lesson Check p.777

Practice and Problem-Solving Exercises p.777-779

Standardized Test Prep p.779

Mixed Review p.779