Neslepe0rsm Neslepe0rsm

03-09-2016
Mathematics

contestada

what is the value of the expression 2x2 3xy – 4y2when x = 2 and y = –4? a. –80 b. –32 c. 32 d. 80

Respuesta :

nobillionaireNobley nobillionaireNobley

05-09-2016

2x^2 + 3xy - 4y^2 when x = 2 and y = -4
= 2(2)^2 + 3(2)(-4) - 4(-4)^2 = 2(4) + (-24) - 4(16) = 8 - 24 - 64 = -80

Answer Link

Otras preguntas

How is a healthcare worker able to meet their credentialing renewal needs? by going for an in-person interview with the credentialing panel by hiring someone el

A postindustrial society has moved towards _industries

-4 to the second power +3(15-11)-2(6+2 to the third power)

Define the term market share?

Which statement about function F and Function G is true?

Why did tensions between the us and the soviet union become so great after world war ll

I need a quick help !!

can someone give me a 8 paragraph essay about the spotted hyena?

Evan mixed 2,2/3 pounds of nuts with 1,5/6 pounds of raisins and 1,7/8 pounds of chocolate chips how many pounds did this mixture weigh?

Which expression is equivalent to 8(a-6) a. w>36 b w<36 c.w>5 d.w<5