elisha71
elisha71
23-01-2017
Mathematics
contestada
if x = -2, find the value of: 2xsquared - x
Respuesta :
JillyBeans
JillyBeans
23-01-2017
2*-2^2--2
2*4--2
8--2
8+2 (two negatives equals a positive!)
10
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
Given the functions j(x) = x2 − 9 and k(x) = −x + 7, which operation results in a 3rd degree polynomial?
A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest in
x•x•x = would if 3x or x3 ?
Molecules of food have a form of potential energy called __________. molecules of food have a form of potential energy called __________. chemical energy atp en
The foreign purchases, interest rate, and real-balances effects explain why the select one: a. aggregate demand curve is downward-sloping. b. aggregate demand c
A 22-year-old male was kicked in the abdomen multiple times during an attack by a gang. he is conscious but restless and his pulse is rapid. your assessment rev
Which graph represents the function of f (x) 9x 2+9x-18/3x+6
Robert solomon brings up the interesting fact that the essential factors of the good life seem to be rather __________ over time.
How long does it take to learn acoustic guitar?
this country became an ally of the colonies and was inspired by the revolution. A. England B. France C. Spain