Answer:
I think answer is 87<180 or maybe 87<12*15
14:21 one is the right answer
Hello :
y = 3x²+9x
= 3(x² + 3x )
= 3 ( x² +2(3/2)x +(3/2)²) -(3/2)²)
= 3((x+3/2)² -9/4)
y = 3 (x+3/2)² -27/4
<span>the x-coordinate of the vertex is : - 3/2</span>
Answer:
is this an essay question?
The solution for that proplem is X=4,1
