samueldavis samueldavis
  • 22-01-2016
  • Mathematics
contestada

If x = -3, calculate the value of: 2x2 + x

Respuesta :

Billymkhoi
Billymkhoi Billymkhoi
  • 22-01-2016
At x=-3:

2x^2+ x
= 2(-3)^2+ (-3)
= 2*9 -3
= 18 -3
= 15

The value of 2x^2+ x is 15 if x=-3~
Answer Link

Otras preguntas

FIRST ANSWER GETS BRAINLIEST ANSWER : Sallie compared the prices of four different seafood restaurants that offer butterfly shrimp on their menu. She wanted to
What was similar and different about the elections that brought defeat to the ruling governments in the Philippines and in Burma?
which of the following statements if true of the gulf of Tonkin affair
two southeast asian countries that gained independence in the 1950s are?
Why did trade and travel decline after the fall of Rome?
How did the way in which European colonialists carved up Africa in the 1800s lead to civil strife in many new African nations?
what is a expression equivalent to ^3√8x^2y^3z^4
A line has slope 2/5 and passes through the point P(2,7) find the equation
How did industrialization affect Manchester’s natural environment?
Solve each system by the addition method. -4x+7y =9 2y=-5x-22 Put the answer in (x,y) form