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

Hey guys please Answer this questions...!!

Please help. please

Assume that the Turner, Roth, and Lowe partnership is a limited partnership. Turner and Roth are general partners and Lowe is a limited partner. How much should

you have 15 milk chocolate Valentines and 10 dark chocolate Valentine.What is the probability that the first Valentine handed out is milk chocolate and the sec

Here's a graph of a linear function. write the equation that describes that function.

Continuing an experimental condition until staffing patterns stabilize is a strategy for avoiding a confound due to

need help with this geometry question please!

A buyer defaulted on a loan and the lender foreclosed. Why would this foreclosure adversely affect the seller's credit rating

tan45÷tan45= 1 then what is the answer

Which of the following properties can be used as evidence a chemical reaction has occurred? (Select all that apply) a. Density change b. Melting point change