lissamaldonado03 lissamaldonado03
  • 17-03-2020
  • Mathematics
contestada

enter the function f(x)=x^2 -7-18, in the form f(x)=a(x-h)^2 +k, where a, h, k are constants

Respuesta :

hanifchoirunnisa
hanifchoirunnisa hanifchoirunnisa
  • 17-03-2020

f(x) = x² - 7x - 18

f(x) = a(x-h)² + k

= a(x² - 2xh + h²) + k

= ax² - 2hx + h² + k

a = 1

-7x = -2hx

7 = 2h

(7/2) = h

h² + k = -18

(7/2)² + k = -18

(49/4) + k = -18

k = -18 - (49/4)

k = -18 - 12,25

k = -30,25

Answer Link

Otras preguntas

A 10-N force is applied horizontally on a box to move it 10 m across a frictionless surface. How much work was done to move the box?
how deep down is the earth inner core
Please please help me !!!! Whats the secret? We have a secret, just we three, The robin, and I, and the sweet cherry-tree; The bird told the tree, and the tree
Create an equation with one solution of x = −4.8x − (x − 20) = 2x − ( answer here +x)PLESE HELP WILL GIVE BRAINLIEST!!
the scholars busied _______ studying the Castle's Library which reflex pronoun agrees with the ascendant in the sentence?Ourselvesitselfthemselveshimself
What is the length of Line BC?
What dynasty is the above silk painting from?
If one neutron is added to a helium nucleus, the result is
No Translator Please Complete the sentences with the correct possessive adjective: mon, ma, mes, ton, ta, tes,son, sa, ses, notre, nos,votre, vos, leur, or leur
Question 6 Steel Vacuum Salt water Oxygen gas