lacooGremilyspat6ty lacooGremilyspat6ty
  • 01-03-2017
  • Mathematics
contestada

Find the value of c that would make x2 + cx + 144 a perfect square.
a) 6
b) 12
c) 24
d) 72

Respuesta :

Аноним Аноним
  • 01-03-2017
answer is c) 24
---------------------------------------
x^2 + 2(x)(12) + 12^2 
= x^2 + 24x + 144
= (x+12)^2
Answer Link
ChandrikaP ChandrikaP
  • 01-03-2017
x^2+cx+144
it is like a^2+2a*b+b^2=(a+b)^2

here a=x ,b=12 and 2a.b=cx c=2*x*12=cx
c=24

Answer Link

Otras preguntas

There are 35 boys in sixth grade. The number of girls in the sixth grade is 42. Lonnie says that means the ratio of number of boys in the sixth grade to number
what is 18 24ths as a fraction when simplifying to its lowest terms?
what is the best estimate for the product of 289 and 7
What is the value of three in 34,525
Why are beneficial mutations essential for evolution to occur?
If one paper clip has the mass of 1 gram and 1,000 paper clip have a mass of 1 kilogram, how many kilogram are 8,000 paper clip
Express 8.15 as a mixed number.
a middle school scored three field goals worth three points each and two touchdowns worth six points, where each touchdown also had an additional score of two p
Express as a unit rate: 2400 miles in 48 hours.
does water roll or slide in wax paper?