farfanivan farfanivan

Today at 10:07 AM
Mathematics

Answered

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

Answer :

konrad509 konrad509

Today at 10:12 AM

[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

Other Questions

4) During aerobic cellular respiration, combines with hydrogen ions and the product is released as a by-product of respiration. A) ADP B) carbon C) oxygen D) a

If x is the midpoint of -21 and 18, find the value of x. midpoint =

Megan’s cousin wants to buy a new sound system for his car. She goes to the electronics store to help him to pick it out. The base system costs $395. Adding a s

1.4 The inside of a sports hall measures 80 mlong by 40 m wide by 15 m high. The air init has a density of 1.3 kg/m when it is cool.a Calculate the volume of th

Megan’s cousin wants to buy a new sound system for his car. She goes to the electronics store to help him to pick it out. The base system costs $395. Adding a s

why should the chemistry laboratory exets open outwards?

which of the following is not a redox reaction??

Do you agree with the statement: 'hurdlez are created in the way of internal development due to tense relations of India with neighboring countries ' Explain th

What is the Predecessor number of 83 ???

there were butiful on walls of Golconda fort

Which sentence contains a misplaced modifier? We take our new puppy, Champ, to dog training classes at the park. After working with the trainer, I was able to g

Which literary technique is used in this excerpt from Frankenstein by Mary Shelley?

Can you help me Question 2

George is fascinated with buildings He wants to be associated with them in any way possible. He has cherished photography as a hobby since Childhood What would

What is the intertidal zone?

Which of the following are solutions to | x-1|= 5x + 2 ? Check all that apply.

What is the effect of friction on a moving object

Who is best girl re or asuka?

What did the Nineteenth Amendment to the Constitution change about voting? It prohibited poll taxes. o It gave the vote to 18- to 20-year-old citizens. o It gav

What was the purpose and results of the Manhattan Project?