catherinebaohup3hto6
catherinebaohup3hto6 catherinebaohup3hto6
  • 13-05-2018
  • Mathematics
contestada

Rewrite each relation in the form y = a(x - h)^2 + k by completing the square

Rewrite each relation in the form y ax h2 k by completing the square class=

Respuesta :

gmany
gmany gmany
  • 18-05-2018
Use:[tex](*)\ (a\pm b)^2=a^2\pm2ab+b^2[/tex]
[tex]a)\\y=x^2+6x-1=\underbrace{x^2+2\cdot x\cdot3+3^2}_{(*)}-3^2-1=(x+3)^2-9-1=(x+3)^2-10[/tex]


[tex]b)\\y=x^2-6x-4=\underbrace{x^2-2\cdot x\cdot3+3^2}_{(*)}-3^2-4=(x-3)^2-9-4=(x-3)^2-13[/tex]
Answer Link

Otras preguntas

Why werent the articles of confederation successful in governing the new nation?
Emily makes a table of values using the following rule: Start with 2 and add 3 to get the next term Term #     Term 1                  2
Write the missing numerator for 15/25=x/5
Coral are marine animals that can be found off the coast of Australia. Coral have a mutually beneficial relationship with the algae that live in their tissue. T
Why are plant cells square, when animal cells are round?
what is the reciprocal of 1/6 A.6/6B.2/6C.1/6D.6
A chemical equation is balanced by changing or addinga. chemical symbols. b. subscripts. c. coefficients. d. reactants
5x + 2y = 8 x + y = 4 If you want to solve the system of equations by addition, which of the following could you do?
. Read the passage. To operate the coffeepot, first plug the cord into the outlet. After that, fill the pot with water to the red line. Next, insert a paper
Who was jim crow? how did jim crow affect african americans?