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

During the Antebellum period, religion was used by many Americans to

I need help on b and c

Areas of poorly maintained housing in cities are known as

A rectangular seating chart has an area of 10 in by 14 in. There are 2 in by 2 in squares with students’ names on it. What is the probability that a student is

Read the passage. Lacking both time and inclination, I did not wait to hear about the afflicted cow, but took my leave. Based on the use of language in the

4/7+1/8 can you simplify it too?

still dont know the answer

The use of rules, regulations, and authority to guide performance is referred to as

The personal fable and risk-taking in early adolescence is because of underdevelopment in what part of the brian

The theory under which courts pierce the corporate veil of corporations whose shareholders do not treat the corporation like a separate legal identity is the __