Coonkei Coonkei

22-02-2020
Mathematics

contestada

f(x)=2x+1 g(x)=x^(2)+2x-8 what are the solutions to the system of equations?

Respuesta :

amna04352 amna04352

22-02-2020

Answer:

(-3,-5) & (3,7)

Step-by-step explanation:

x² + 2x - 8 = 2x + 1

x² + 2x - 2x - 8 - 1 = 0

x² - 9 = 0

(x - 3)(x + 3) = 0

x = -3, 3

When x = -3, y = 2(-3) + 1 = -5

When x = +3, y = 2(+3) + 1 = 7

(-3,-5) & (3,7) are the solutions

Answer Link

Otras preguntas

This cardiovascular event may occur when a blood vessel in the brain bursts or becomes blocked by something, such as a traveling blood clot. A. stroke B. heart

If it costs $90 to feed a family of 3 for one week. (3 points) a. What is the cost to feed each person? b. How much will it cost to feed a family of

Which of the following individuals can become a naturalized citizen? A. Anyone born in a United States possession, as long as one parent is a citizen of the Uni

did the national assembly's constitutions of 1791 abolish the monarchy

An antonym is a word that's A. opposite in meaning. B. the same in meaning. C. pronounced the same. D. defined in a thesaurus.

Which of the following is a danger the Earth faces as a result of overpopulation? a. decreased food production c. waste management b. pollution d. all of the ab

What form of government best describes the United States in the 21st Century? A. confederate B. federal C. unitary D. communist

Select the sentence that uses a gerund phrase as a predicate noun. Christa chose to write a literary critique of the novel Oliver Twist. The main character of t

Even though oils are not a food group they are still part of the USDA recommendation because they 1.) contain the same nutritional value as proteins 2.) contai

sandra had ribbons that are 3/4yard,1/5 yard,2/6 and 4/7 yard long. She needs to use the ribbon longer than 2/3 to make a bow. Wich length of ribbon could she u