SOLUTION: Find the x and y intercepts f(x)= 4x^2 +12x +9

Algebra ->  Rational-functions -> SOLUTION: Find the x and y intercepts f(x)= 4x^2 +12x +9       Log On


   

Question 609149: Find the x and y intercepts
f(x)= 4x^2 +12x +9

Found 2 solutions by flame8855, ewatrrr:
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
xintercept y=0
4x^2+12x+9=0
(2x+3)^2 = 0
x=-3/2
(-3/2,0)
yintercept x=0
y=0
(0,9)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

f(x)= 4x^2 +12x +9

f(x)= 4(x+3/2)^2 0

f(x)= 4(x+3/2)^2

      (x+3/2)^2 = 0  x = -3/2

 x = 0, then y = 9