frances8049 frances8049

02-02-2015
Mathematics

contestada

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

Respuesta :

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

Which graph represents the function over the interval [−3, 3] ?

true or false There is no direct way to reduce soil compaction caused by agricultural practices.

What are the three substances that generally make up paint? describe each part. what are polymers? what is a scanning electron microscope? what are its advantag

7 girls in a bus. 7 backpacks per girl. 7 big cats per backpack. 7 little cats per big cat. bus driver is not in the bus. how many legs are in the bus?

What type of Greek column is a column of the US capitol

Select the phrase from the drop-down menu that best creates parallel structure in this sentence. Expensive clothing purchased with care can be more economical t

If the graph of the function h is defined by = h(x)+x^2+9 is translated vertically downward by 9 units, it becomes the graph of a function g. Find the expressio

What is the length of chord LM?

If an object starts at rest and moves 60 meters north along a straight line in 2 seconds, what is the average velocity?

A number used to encrypt data is called a(n ________. signature key cookie escrow