ennelsjamaure ennelsjamaure

02-02-2021
Mathematics

contestada

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

Answer Link

Otras preguntas

What is Processor to Memory Mismatch problem?

- X, what is the value of (f - g)(2)?

Liam is willing to buy the last ticket to the avant premier of Star Wars for $15, while Alexander is willing to pay $20. Liam is first in line and buys a ticket

What different, perhaps conflicting messages does the Prometheus myth convey about challenging the authority of the gods?

Barry gets hurt at work and must go on disabililty for 4 months. On disability, the pay that Barry receives is 60% of his normal net pay. Barry should be fine i

Please help if you can! :D

The sum of two numbers, x and y, Is 12. The difference of x and two times y is 6. What are the values of x and y?A. x=8, y= 4B.x= 10, y= 2C. x = 18, y=-6D. X= 2

I suck at math, online school is really hard I need to find a tutor, can this be explained?

Water has a specific heat capacity of 1.00 cal/g °C, and copper has a specific heat capacity of 0.092 cal/g °C. If both are heated to 100 °C, which takes longer

What mood does the author create at the beginning of marigolds? (Answer with evidence and phrases from the story)