arliannav308
arliannav308 arliannav308
  • 11-08-2020
  • Mathematics
contestada

Evaluate if x =3 and y = -2

x2+2xy−4y

Respuesta :

thepingu
thepingu thepingu
  • 11-08-2020

Answer:

5

Step-by-step explanation:

With the equation [tex]x^2 + 2xy - 4y[/tex], we can substitute the values of x = 3 and y = -2 into the equation to find its result.

[tex](3^2) + (2\cdot3\cdot-2) - (4\cdot-2)\\\\9 + (6\cdot-2) - (-8)\\9 - 12 + 8\\5[/tex]

Hope this helped!

Answer Link

Otras preguntas

What similarity exists in these two excerpts? A Christmas Carol by Charles Dickens (excerpt) “They are Man’s,” said the Spirit, looking down upon them. “And th
Bodies of interplanetary debris that orbit the Sun with most in the area between Mars and Jupiter are called ____. Question 3 options: meteors comets asteroids
words with phonograms. I need 2 examples
6) (a) Calculate the absorbance of the solution if its concentration is 0.0278 M and its molar extinction coefficient is 35.9 L/(mol cm). The depth of the cell
Simplify the following in the form of a +b √c1- √5/1+√5​
The length of a rectangular garden ABCD is 9 feet more than its width. It is surrounded by a brick walkway 4 feet wide as shown below. Suppose the total area of
What is the value of x
Which of the following is usually a proportional tax?
The work cited page list citations in the following order
What is the measure of