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

Help me 20 point AND FAST
what is the answer for this worksheet? french!
image says the question
Confession Time: What's the grossest thing you've done? I fed my brother worms when I was little, nobody found out... Anyway, you're welcome for the points.
What is the difference of 716−358?
The main strategy for the British during the war was too: Wait for the colonies to defeat themselves. Capture all the sities and force the colonies to quit.
isla kahulugan ng pangalan THIS IS TLE SUBJECT​
Write the phrase as an expression. The quotient of a number b and 15
Read the passage below from Shakespeare’s “Sonnet 65” and answer the question. O, how shall summer’s honey breath hold out Against the wreckful siege of batteri
Solve for x. Will mark brainliest for the correct answer.