Answers:Architects always
Y² + 12x - 6y + 21 = 0
<u> - 21 - 21</u>
y² + 12x - 6y = -21
12x + y² - 6y = -21
12x + (y² - 6y + 9) = -21 + 9
<u>12x</u> + <u>(y - 3)²</u> = <u>-12</u>
-12 -12 -12
-x + <u>(y - 3)²</u> = 1
-12
14/15
lcd is 15 so the numbers convert to
9/15 + 5/15 = 14/15
After 3.5 days, the height of the plant is 5.75 centimeters.
The height of the plant is 6.25 centimeters after 4.5 days.