farfanivan farfanivan

15-06-2017
Mathematics

contestada

Find the number of solutions of the equation. 0 = x2 + 2x + 9

Respuesta :

konrad509 konrad509

15-06-2017

[tex]x^2+2x-9=0\\ \Delta=2^2-4\cdot1\cdot(-9)=4+36=40\ \textgreater \ 0\Rightarrow\text{two solutions exist}[/tex]

Answer Link

Otras preguntas

trees put out what 2 products in photosynthesis?

What is 8/9 of 27? I'm still confused

if PQ=21 cm and QR=5cm, then what are the possible lengths for PR so that line PQ, line QR, and line PR can form a triangle? explain your reasoning

Fermentation occurs when there is a lack of what?

In Both ancient Athens and the early United States, citizenship initially was??? a) limited to men and woman over the age 35 b) limited to men over the age 35 c

Can some one help me solve this question 3.5x-20=2.4x+13

Which European belief caused conflict between colonists and Native Americans? A. Women should be appointed to positions of leadership. B. Individuals can own la

Last month, Steven had $4285.68 that he divided into two accounts. He deposited 1/3 into a savings account. He deposited the rest into his checking account. H

Who are the only people who may introduce a bill in the House of Representatives? employees of federal agencies lobbyists for special interest groups committee

Which leader of Russia sent out advisors to study the great religions of the world and chose Orthodox Christianity for his people? A. Ivan the Terrible B. Ivan