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

help, please! I will mark the brainliest!
Please find attached.
The diameter of a circle measures 8 cm. What is the circumference of the circle? Use 3.14 for it, and do not round your answer. Be sure to include the correct u
5/3v = 125/7 PLEASE HELP
Can someone pleaseee help me out with this I’m struggling!
If R= 200 , C= 15 MF , L=230 MH ,f= 60 HZ find XL :
How did the Agricultural Revolution contribute to the start of the Industrial Revolution in Great Britain?
5.) How many, and what type of solutions does 2x^2 + 11x + 15 = 0 have? a.) 1 rational solution b.) 2 rational solutions c.) 2 irrational solutions d.) 2 nonrea
Golf Please help as soon as posable 1. A(n) __________________ is a shot that curves to the left if hit by a right-handed golfer. 2. __________________ are use
Line m passes through the points (3, 7) and (6, 12) while line n passes through the points (-5, 1) and (-2, 6). Which statement accurately describes the relatio