addelializWarnell addelializWarnell
  • 01-12-2016
  • Mathematics
contestada

Please help! Find the value of C such that each expression is a perfect-square trinomial.

p^2-30p+c


k^2-5k+c

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-12-2016
for ax^2+bx+c
when a=1
take 1/2 of b and square it
that is what c should be ideally

p^2-30p=c
-30/2=-15
(-15)^2=225
c=225
(p-15)^2 is factored form


k^2-5k+c
-5/2
(-5/2)^2=25/4
c=25/4
factored form is (x-5/2)^2
Answer Link

Otras preguntas

what two things are needed for cellular respiration.
School teachers, counselors, and job placement centers can help you _____.
How do decomposers interact with their ecosystem.
How did the Atlantic slave trade lead to the stagnation of Africa's culture and economy?
an argument A) includes emotions B include an ethical concern C) is based on logic D provides a complete answer
Medications are often the complete solution for curing those with a mental health disorder. True or false
he cut up 2 bananas, 2 oranges, 3 apples, and 1 small pineapple. what fraction of these fruits were oranges?
What's time will it be if 6:50 + 25 minutes equal
3. The Fergusons decided to book the room at the price that Mrs. Ferguson was given, $2075, because it included breakfast for both of them for the entire stay.
Who were proponents of Christianity