annonomous12 annonomous12

03-06-2019
Mathematics

contestada

Evaluate the expression below when x= -1.
2x2 - 5
X + 9

Respuesta :

vikaminia2013 vikaminia2013

03-06-2019

Answer:

2x^2-5=-3

X+9=8

Step-by-step explanation:

Assuming those are 2 expressions:

2x^2-5

=2(-1)^2-5

=2-5

=-3

X+9

=-1+9

=8

Answer Link

Otras preguntas

Sheila is a wildlife biologist. At the beginning of each year, she tracks the wild turkey and white-tail deer population in the game reserve where she works. At

x^2 - 9x + 20 = 0 solve with quadratic formula

The Paris Convention, a descendent of the earlier Madrid Protocol, aims to help reduce the burden of multinational companies that desire multinational protectio

What is an equation for x , x , x , 9 , 9 equals 57

The amount of time it takes Alice to make dinner is continuous and uniformly distributed between 19 minutes and 45 minutes. What is the probability that it take

How are the land forms of Pakistan and Bangladesh similar

Thomsonâs experiment is credited with the discovery of which particle?

Nell is considering forms of business organization for Optic Center, a medical eye clinic. An advantage of a limited liability partnership is that, depending on

What does the authors word choice suggest about the sound that cicadas make

What amendment abolished slavery?