Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Jibreel H
Jibreel H asked in Science & MathematicsMathematics · 7 years ago

Matrix problem from precal?

find absolute value [AB]

A={-4 0 B= {2 0

0 6} 0 -4}

a.191

b.192

c.193

d.194

e.190

1 Answer

Relevance
  • Simplicius (ex collaboratore)
    Lv 7
    7 years ago
    Favorite Answer

    Absolute value???

    I assume the determinant of product AB is asked for.

    Since

    AB = (- 8, 0), (0, -24)

    then

    |AB| = (-8)*(-24) = 192 (answer b.)

Still have questions? Get your answers by asking now.