lilAntwon lilAntwon
  • 13-11-2020
  • Mathematics
contestada

Evaluate the following expression when X = -4 X to the power of 2 +2x-9

Respuesta :

nirvanafire11 nirvanafire11
  • 14-11-2020

Answer:

-1

Step-by-step explanation:

X = -4

so x^2+ 2x -9 = (-4)^2 + 2*(-4) - 9

= 16 - 8-9

= 8-9

= -1

Answer Link

Otras preguntas

Jackson was making a poster for his room. He arranged 50 trading cards in the shape of a rectangle on the poster. How many rows of cards were on his poster? a)
What is the most likely reason the revolt against Louis Philippe led to other revolts across Europe?
A true-false test contains 18 questions. In how many different ways can the 18- question test be answered?
What is the main idea of party time on reading plus
Elaine uses 19 connecting cubes to make a model of a house. The house model is in the shape of a rectangle and is one cube high. How many different ways could E
is 12 over 16 equivalent to 0.6
why are the temperatures fairly constant in the surface zone and the deep zone
Identify the independent and dependent variables in the following sentence: Joan is collecting data on gender differences (male, female) in the ability to empat
What is the difference between polytheism and monotheism? A. Polytheism is the worship of earth gods. Monotheism is the worship of water gods. B. Polytheism
which three events added the largest amounts of land to the united states