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

Tyson wants to stay out past his curfew to hang out with his friends. Using the decision-making model, summarize what he should do to decide what action to take

A generally temporary condition in which a pregnant woman produces insufficient insulin or becomes insulin resistant is called:

Ending a relationship by writing "it's over" on a sticky note is an example of the poor usage of which component of communication?

what is 1/6 + 1/6 + 3 5/6 =

LM=7, LN=10, MN=5, What can you conclude about the angle measures

Which of the following is NOT a top use of freshwater? A. Scientific investigation B. Personal use C. Industry D. Agriculture

when tieresias says "the city is sick" he means pestilence is spreading because

Identify a sequence of transformation that maps triangle ABC onto A"B"C" in the image below. A. Clockwise 270 degrees rotation; reflection over the X-axis B. Co

Is 17 quarts greater that’s 4 gallons

Are relstioships that have an initial fee proportional or non-proportionial?