dannymarlopez dannymarlopez

25-10-2021
Mathematics

contestada

×²+6×+9=0 in Discriminant and nature of the roots

Respuesta :

spyvovarov spyvovarov

25-10-2021

Answer:

D = 0, x = -3

Step-by-step explanation:

D = b*b - 4ac = 36 - 4*9 = 36 - 36 = 0

x = -b/2a since D = 0, so

x = -6/2 = -3

Answer Link

Otras preguntas

The points M(3, 4), N(− 1, 1) and P(5, – 1) are the vertices of a triangle MNP. Find the equation of the altitude of the triangle MNP drawn from the point N(−1

Look at the following diagram of the human circulatory system: A.) explain why this is called a double circulation system

Determine the phase or phases in a system consisting of H2O at the following conditions and sketch p–y and T–y diagrams showing the location of each state. (a

Evaluate the following value without using tables (1) Find sin0 and cos0 , if tan0=1/3 , 0 does not belong to set [0,pi/2] . (2) Find sin20 , if sin0+cos0=1/2

|x² - 2x - 3|= a solve the a

Angela deposits $5500 into an account with an APR of 2.2% for 8 years. Find the future value of the account if interest is compounded continuously. Round your a

Which of the following extracts show the writer using emotive expressions to engage the reader (select all that apply)? Wartime Diet Would do us a World of Goo

Q.)A student investigates the action of the enzymes pepsin of protein. For protein she used egg white powder which forms a cloudy white suspension in water. She

A survey was conducted among some people. The survey showed that 150 like to listen to the radio, and 90 don't like to listen to the radio. If 55 people like to

Trina lives 4.2 miles from her school.Richard lives 0.75 miles times this distance from the school.How far from the school does Richard live? PLS HELP ME