momo6468 momo6468
  • 04-01-2019
  • Mathematics
contestada

Which of the following is the value of the expression 2x^2+1 when x = -2?

Respuesta :

faithharter15 faithharter15
  • 04-01-2019

Answer: 9


Step-by-step explanation:

1.) you first want to plug in your x= -2


2.) 2*-2^2=1


3.) Solve in order.


4.) 2*-2 = -4


5.) -4 * -2 (your power) = 8 , it is a negative two because x = -2 and where it lands in the order of operations that is how you solve.


6.) 8 + 1 = 9


7.) =9 .


Answer Link
Аноним Аноним
  • 04-01-2019

Answer:

2(-2)^2+1

2(4)+1

8+1

9

The value of this expression is 9 when x=-2

Answer Link

Otras preguntas

16. In a straight contest, the loser polled 42% votes and lost by 14400 votes. Find the total number of votes polled. If the total number of eligible voters was
answer all pleaseee
what is the lcf of 4 and 5
lisa borrows $18 000 over 5 years from the bank. The loan is charged at 8.4% p.a. simple interest. Find the total amount owing at the end of 5 years. (2 marks)
A rectangle has a perimeter represented by the expression 6w+7, where is the width of the rectangle? Which statement best describes this rectangle? The express
What is the reduced radical form of each expression?
Rewards and Punishment examples
- Shreya said,"I was playing tennis when the accident occurred." change into indirect speech​
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
What are the values of c and f?