bandzlvr
bandzlvr bandzlvr
  • 02-01-2019
  • Mathematics
contestada

Can someone answer this fast?

The determinant of matrix A is shown below.

Can someone answer this fastThe determinant of matrix A is shown below class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 02-01-2019

Replace x and y with the given values, solve the 4 equations in Matrix B:

4(3)+2 = 12+2 = 14

8(1) = 8

7-2(3) = 7-6 = 1

-7(1) +8 = -7+8 = 1


Now using the letter locations from Matrix A solve ad-bc:

14*1 - 8*1 = 14 - 8 = 6


The answer is 6

Answer Link

Otras preguntas

Check three ways to correct a dangling construction. Place the modifier next to the word it modifies. Get rid of the modifier. Supply a word for the modifier
What is the estimate 323 +151
The density of light oil is 0.78 kg/L. What is the volume of 5.72 kg of this oil in units of cm3?
What was the impact of geography on the development of chinese societies?
What reforms did populists propose to increase the power of the common people in american politics?
What term describes chromosomal abnormality
why did the Haymarket riot happen
True or False: The sum of all the angles around a point is 180°.
Learning can be inferred from changes in performance. Which performance characteristic indicates that it is likely that learning is occurring?
If every dimension of a two dimensional figure is multiplied by k, by what quantity is the area multiplied?