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

What is the answer to 7- 5/3c=22
Find the slope of the line described by each equation: 8x+2y=96
Round up 47125 to the nearest tens, hundreds, thousands, ten thousands
what is 5/10+1/5 to this problem please help me
What is the solution of 6x2/3=24
how can you use number patterns to find the least common multiple of 120 and 360
Ten pints of 15 % salt solution are mixed with 15 pints of 10 % salt solution. What is the concentration of the resulting solution?
Factoring Trinomals (a=1)b^2 + 8b + 7
what is the answer to 4/7 x - 3 =6
Help me solve this:5 hundreds x 10 = ________ hundreds= ______