khadijasuttton khadijasuttton
  • 16-11-2016
  • Mathematics
contestada

Evaluate the expression below when x = -2.

x2 − 8

x + 6

Respuesta :

atrochelmann
atrochelmann atrochelmann
  • 16-11-2016
First, substitute -2 into each equation where there is an x:
(-2)2 -8
(-2) +6

Then multiply the -2 and the 2 in the first equation and add -2 and 6 in the second:
-4 -8
4

Lastly, subtract -4 and 8:
-12
4

Now you have you answers -12 and 4!
Answer Link

Otras preguntas

What is 7/8 minus the fraction 2/3?
Which expressions are equivalent to the one below? Check all that apply. 2^5•2^x A. 25- * B. 25+ x [ C. (2 x 5 D. 32: 2* E. 45* OF 25x
Which of the following might be an example of a theme? O "Toto, I have a feeling we're not in Kansas anymore." After a young girl moves to the neighborhood, she
Which statement best describes the atomic structure of metals
PLEASE HELP!!!Which of the following is responsible for Earth’s magnetic field? amolten metals in Earth’s interior bEarth’s oceans cthe gravitational pull of th
AG Inc. made a $15,000 sale on account with the following terms: 1/15, n/30. If the company uses the gross method to record sales made on credit, what is/are th
The most universally understood way of expressing emotion is through
If the graph of function gis 6 units below the graph of function f, which could be function g? Rx) = -2x +7 O A. g(x) = -6x + 7 OB. 8x) = -2x + 1 OC. X) =-2x +
The membrane potential in which there is no net movement of the ion across the membrane is called the _____.
John left Accra at 10:45am and reached Freetown at 16:50pm. How long did the journey last?