ennelsjamaure ennelsjamaure

02-02-2021
Mathematics

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By definition, the determinant equals ad - bc. What is the value of when x = -2 and y = 3? I NEED HELP PLEASE

By definition the determinant equals ad bc What is the value of when x 2 and y 3 I NEED HELP PLEASE class=

Respuesta :

abidemiokin abidemiokin

07-02-2021

Answer:

B. -84

Step-by-step explanation:

Taking the determinant of the matrices we will have;

= 4x(5y) - 2x(3y)

= 20xy - 6xy

= 14xy

Given x = -2 and y = 3

Determinant = 14(-2)(3)

Determinant = -28*3

Determinant = -84

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