tayacall5731 tayacall5731
  • 01-09-2018
  • Mathematics
contestada

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?
a. 4
b.14
c. 16
d.20
e. 50

Respuesta :

Аноним Аноним
  • 01-09-2018
  1. 3x^2 - 2y
  2. 2x^2 - 3y

First expression

  • 3(3)^2 - 2(5) = 3(9) - 10
  • 27 - 10 = 17

Second expression

  • 2(3)^2 - 3(5) = 2(9) - 15
  • 18 - 15 = 3

17 - 3 = 14

B. 14

Answer Link

Otras preguntas

what is the prefix of enactment?
next term in sequence 61, 122, 244, 488
water in a pan over a radiator evaporates much faster than a water pan in a table ???? i need help ppl
Why did populations soar between 1800 and 1900?
What is the Geocentric theory in your own words?
What's another name for vital signs?
What is the Geocentric theory in your own words?
the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt
What is the 54th element on the periodic table?
The discovery of gold in Transvaal contributed to the start of _____?the Anglo-Boer WarWorld War IIWorld War Ithe Peloponnesian War