keyannahhaskins keyannahhaskins
  • 02-10-2018
  • Mathematics
contestada

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

Respuesta :

Katella
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

Can someone help me pls ?
find the missing term (x^12)^5 x (x^-2)^9 x what =(x^40)^5
if quadrilateral adqu is congruent to quadrilateral teki then quad is congruent to ____
Please help! Solve the inequality algebraically. x ---- > 9 9
was is dienen name ????????????????
add a nonrestrictive element using commas.
I need Help Don't know
Simplify the expression below b^9 x b^6 x b^5
Which of the following is not true of carbon? (2 points) It can form rings. It has a valance of four. It forms strong ionic bonds. It can bond to form long chai
Question 2 (True/False Worth 1 points) No one really cares or should care about the elements of music. True False