mmsyshi
mmsyshi mmsyshi
  • 25-04-2016
  • Mathematics
contestada

1) If X = 2, calculate the value of: 2x squared - x
2) if X = -2, calculate the value of: 2x squared -x

Respuesta :

kellykleekamp
kellykleekamp kellykleekamp
  • 25-04-2016
Use PEMDAS
1. 2(2^2)-2
=2(4)-2
=8-2
=6

2. 2((-2)^2)-(-2)
=2(4)+2
=8+2
=10
Answer Link

Otras preguntas

If the ordered pair are equivilant ratios, what ordered pair is missing?
What type of poetic device is this “Narcissus so himself himself forsook/And died to kiss his shadow in the brook.” – William Shakespeare A. allusion B. allite
Can anybody help me with this?
come up with a scenario that models an inverse variation situation provide at least four data pairs for the situation
Columbus sailed west in an effort to find a quicker route to
If JK = 20, KL = x + 9, and JL = 6x + 9, what is KL?
What are reciprocal roles?
What is the scale factor of ABC to A'B'C'? Please help!! ASAP if you help with this PLEASE HELP WITH MY LAST QUESTION I ASKED!!! (it’s worth a lot of points!)
In one day, Kessy can bake 10 cookies or mix 15 glasses of lemonade. His friend Ava can make 10 cookies or 10 glasses of lemonade. His other friend, Ian, can ma
a circuit has two 11.4 volts batteries and a bulb with a resistance of 18.7 ohms calculate the current flowing through the circuit