elisha71
elisha71 elisha71
  • 23-01-2017
  • Mathematics
contestada

if x = -2, find the value of: 2xsquared - x

Respuesta :

JillyBeans
JillyBeans JillyBeans
  • 23-01-2017
2*-2^2--2
2*4--2
8--2
8+2 (two negatives equals a positive!)
10
Answer Link

Otras preguntas

Which feature is characteristic of rivers?
Me encantan las fresas. Como fresas _____ en el verano. A. nunca B. más o menos C. todos los días D. por supuesto
In the carbon cycle, the role of plants is to A. convert nitrogen from the soil into carbon dioxide. B. remove carbon dioxide from the atmosphere. C. release c
How does the magnitude of the electrical force between a pair of charged objects change when the objects are moved twice as far apart?
What makes sexually reproduced offspring genetically different from their parents?
Select the verb that best completes this sentence:Ma mère et ma tante sontau Maroc l'année dernière.​
Andre makes a trip to Mexico. He exchanges some dollars for pesos at a rate of 20 pesos per dollar. While in Mexico, he spends 9000 pesos. When he returns, he e
What are iron triangles?
Which statement does not describe a guideline for presentation content development? Don't use more than four bullet points on a slide. Include as much detail o
One evening 1600 concert tickets were sold for the Fairmont Summer Jazz Festival. Tickets cost $25 for covered pavilion seats and $20 for lawn seats. Total reci