Abramperez2684 Abramperez2684
  • 17-09-2017
  • Mathematics
contestada




Evaluate 3x^2 – 4 when x = 2.

A. 12
B. 2
C. 8
D. 32

Respuesta :

jbmow
jbmow jbmow
  • 18-09-2017
When x = 2
3x^2 = 3*4 = 12
12-4 = 8
C. is the answer
Answer Link
PiaDeveau PiaDeveau
  • 14-10-2019

Answer:

C ) 8.

Step-by-step explanation:

Given: 3x^2 – 4 when x = 2.

To find: Evaluate.

Solution: We have given that 3x²– 4

For x =2.

3(2)²– 4.

On solving the power of 2.

3 (4) - 4.

12 - 4 .

On subtracting 4 form 12

8

Therefore, C ) 8.

Answer Link

Otras preguntas

which country sponsored a voyage to claim settlements in North America
The diameter of the marble shown is 35 millimeters. find the surface area and volume of the marble
what is 3.245 rounded to the nearest hundredth Thank you
What is the difference between a toad and frog?
What happens to the frequency of a wave of you increase the speed of the wave ?
what happens to the amount of energy present when it is moved from one form to another?
what color is reflected one red green and blue light is shone on magenta paper
What is the solution set? 6-4x=7x-9x+4
why was the battle of Stalingrad a Turning point in WW2
Rob and Mike are on a club swimming team. They are training for a statewide swimming meet that will be held in the end of summer. The table shows how many hours