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 is the area of the space
A body is moving in a perfect circle at a constant speed. are there any forces acting on this body? how do you know?
Cloud of inferiority begin to form in her little mental sky means
Scientists have believed for many years that less oxygen is dissolved in deeper layers of the ocean compared to shallower layers. What experimental method would
~PLEASE HELP ASAP OFFERING 25 POINTS PLEASE ANSWER ALL QUESTIONS~ I will mark brainiest and rate 5 stars if correct this is consumer math btw((brainly please do
When two dice are rolled, what is the probability the two numbers will have a sum of 8?
A museum worker randomly displays 5 historical writings in a row. What is the probability that the worker lines them up from the oldest to the most recent from
find the area of the metal sheet below that is required to make this square-shaped traffic sign. one side is labeled 8x-1.
Commonly used to map the arctic and antarctic regions, this type of map projection is created by projecting information onto a flat piece of paper that is tange
I need help on this question plz