frances8049 frances8049
  • 02-02-2015
  • Mathematics
contestada


If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

Respuesta :

naǫ
naǫ naǫ
  • 02-02-2015
[tex]x=-1, \ y=2 \\ \\ 2x^3-3xy=2 \times (-1)^3-3 \times (-1) \times 2=2 \times (-1) +6=-2+6=4[/tex]
Answer Link

Otras preguntas

36 is blank times as large as9
Using Pascal's Triangle, expand and simplify the complex binomial (3t - 2i)^5(the i is an imaginary number, not a variable)
3. The total cost for 8 bracelets, including shipping was $54. The shipping charge was $6. Define your variable and write an equation that models the cost of ea
which societies have a migrating food supply?
where would u axpect to find lava
Alphonso is training for a marathon. He runs 6 and a half miles every 2/3 hour. How far does he run in 2 hours
describe the steps you would follow to write a two step equation you can use to solve a real world problem
A system that exchanges energy with its surroundings is called ___
A large truck is going down a hill at 60 miles per hour. The driver needs to begin slowing down by shifting the gears. The speed goes down by 10 miles per hour
Organic chemistry is currently defined as A) the study of compounds made only by living cells. B) the study of carbon compounds. C) the study of vital forces