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

Which phrase describes the algebraic expression r/9? A- The product of r and 9 B- The quotient of r and 9 C- 9 less than r D- r more than 9
a.Define the electron dot diagram. b.Use the electron dot diagram to represent 3 elements. Thanks! :)
Which statements accurately describe why the Renaissance began in Italy? Choose all answers that are correct. A. Arab traders sold ancient Greek manuscripts in
How did the cotton gin lead to the spread of slavery? (Hint: There are three reasons)
what percent of 61 is 152.5?
What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east? explain how you did it
where have experts found writing from the shang period
Concerning the Greek concept of democracy, which of the following statements is false? (A.) It was first conceived and practiced in Athens. (B.) Men and women o
What is the purpose of interphase in the eukaryotic cell cycle?
In the book peak by Roland Smith what does Peak give Zopa! Thx