teresahinton73 teresahinton73
  • 01-06-2019
  • Mathematics
contestada

What is the value of 3x^2+4y^2 if x=2,y=1 and z=-3

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 01-06-2019

ANSWER

16

EXPLANATION

The given expression is;

[tex]3 {x}^{2} + 4 {y}^{2} [/tex]

If x=2, y=1 and z=-3, we substitute the values into the expression and solve.

We substitute to obtain;

[tex]3 {(2)}^{2} + 4 {(1)}^{2} [/tex]

We evaluate to get;

[tex]3 {(4)} + 4 {(1)}[/tex]

We multiply out to get:

[tex]12+ 4 = 16[/tex]

Therefore the value of the given expression is with the given values is 16

Answer Link

Otras preguntas

How to determine whether a compound is ionic or covalent
What is 1800/100 using long division
How do you solve B/5+9<10
Which is an equation in point-slope form for the given point and slope? Point: (5, 9); Slope: 2 • Y- 9 = 2(x- 5) • Y- 5 = 2(x+ 9) • Y+ 9 = 2(x- 5) 0 y- 9 = 2(x
can you please help me​
Which internal system is responsible for transporting oxygen and nutrients through an animal's body? A: digestive system B: circulatory system C: respiratory sy
Top managers creating a mission statement and functional employees determining the content of a script for a sales call are both examples of how organizational
when dynamite explodes, it releases a large amount of light and heat. this is an example of _____.
When did feudalism begin?
How far is a light year?? ​