iamaven2 iamaven2
  • 01-02-2018
  • Mathematics
contestada

Simplify 2x 2 - y for x = 3 and y = -2.
20
14
16
10
i need help please

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 01-02-2018
2x^2-y

Plug in the values. 

2(3)^2-(-2)

2(3)^2+2

Exponents first. 

2*9+2

18+2

20

The answer is 20. 

I hope this helps!
~kaikers
Answer Link
Shadowladyfox
Shadowladyfox Shadowladyfox
  • 20-11-2020

Answer:

yare yare its 20

Step-by-step explanation:

Answer Link

Otras preguntas

What type of reaction occurs when you strike a match?
Add the following fractions.3/8 + 5/12 =
Which one of the following is smallest in size ?N3-               O2-               F-                Na
how does  a star form?
if the score is 90% and the total is 70 what is the number correct ?
Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?
Bethany's dog eats 450 grams of food per day. How many kilograms does the dog eat in a week
Before the Civil War, the cotton plantations of the ___ South depended on British textile companies for their markets.A.antebellumB.anteriorC.avant-garde
How is the ecological system organized?
Ratio equal to the ratio given 12:7