keyannahhaskins keyannahhaskins

02-10-2018
Mathematics

contestada

What is the value of –2x2 + 4y if x = –2 and y = 3?

Respuesta :

Katella Katella

02-10-2018

Simplify

((-2)(-2))(2)+(4)(3)

The answer is 20.

Answer Link

asmikaulgud asmikaulgud

02-10-2018

You would first substitute x and y into the equation so: -2(-2)^2+4(3)

Then you solve:

-2(-2)^2+4(3)

8+12

so your answer will be 20

Answer Link

Otras preguntas

(-2,2) and (-5,-4) finding equation

a company has many genetically engineered poplar trees around its factories. what best describes the polar trees?

how did the political group patriots in 1770 get their name

Total sales: 210.13 Sales tax rate: 7.25% What are you supposed to do

what are 3 facts about xuchal

what is a characteristic of matter that involves the formation of a new substance mean

is copper a liquid, solid, or gas when it's room temperature?

LAST QUESTION! The general willingness of firms to produce and sell a product at various prices is __________. demand supply quantity demanded quantity supplied

The Soviet Union was ruled by the Secretary General and a committee of Fifteen men called the _____. kievs Politburo Villeins Bolsheviks

Is there any disadvantage to a government subsidizing domestic firms to make them able to compete in price with cheaper imported goods? No, it helps domestic co