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

Which of the following are true about renewable resources? Renewable resources are those that can be recreated or replenished. Renewable resources should be han

The study of biodiversity is called

help what’s the answer to this?? Consider the following diagram on the right.

someone help me out plz What is the range of the function y=∣x+3∣−3 if the domain is x∈R?

Describe the economic activities for each colonial region and explain why each region relied on that economy. New England- Middle- Southern-

A) How do signals move from a sensory neuron toward the brain? (1 point) A) Motor neurons signal for the body to move the signal toward the brain. B) Signals mo

eight million, three hundred, forty two thousand, nine hundred seventy-one in number form Pls help I have been working for so long now plssssssss helppppppp!!!!

Hello everyone .......................

8. Which of the following countries is the most extreme example of a centrally-planned economy? Hong Kong Great Britain North Korea

A system where friction is considered and calculated A. Dynamic system B. Open system C. Closed system D. Static system