tashaunwatt tashaunwatt
  • 01-12-2020
  • Mathematics
contestada

Evaluate 3x^2 – 2xy - 4y^2

when x = 2 and y = - 3.

A. 12
B. -36
C. -12
D. 36

Respuesta :

mesiidor
mesiidor mesiidor
  • 02-12-2020

 Evaluate for x=2,y=−3

3(22)−(2)(2)(−3)−4(−3)2

3(22)−(2)(2)(−3)−4(−3)2

= C. −12

 

Answer Link

Otras preguntas

Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotide chain. (2) RNA contains the nitrogen base uracil instead of t
What is 1997 from 2014????????????
3x+y=4 2x+y=5 solve using linear combination
Why were people from Africa brought to Georgia?
How many miles can you get on one tank of gas if your tank holds 18 gallons and you get 22 miles per gallon?
If ab = 10 and a2 + b2 = 30, what is the value of (a + b)^2?
How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)
Which period was the “golden age of dinosaurs”? a. the Triassic Period b. the Jurassic Period c. the Cretaceous Period d. the Tyrannosaurus Period
Why were people from Africa brought to Georgia?
Why does Louis XIV want to expand France's border?