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

A recipe includes 8 cups of flour and 2/3 third cups of sugar right the ratio of the amount of flour to the amount of sugar as a fraction in simplest form
explain how a number and its reciprocal are related
What property must a solid have to be considered a crystalline solid
Fruit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is th
26-4=12+ missing number
Explain how you do 140 divided by 7/8 plz
Animals store most of their excess energy reserves as _______ because
how many eighty- fours are in 672?
Am I right? A scientist makes a discovery that suggests a hominid species created and used relatively sophisticated tools. The scientist decides to publish his
26-4=12+ missing number