Answer:
2/8 which simplifies to 0.111111
Step-by-step explanation:
Answer:123
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


--- a point on the parabola
Required
The equation
First, calculate the equation from the zeros

Substitute
and 


To solve for k, we substitute



Divide by -4


So, the equation is:


Answer:
115
Step-by-step explanation:
180-50=130
130/2=65
180-65=115
Answer:
x = 9
Step-by-step explanation:
Solve for x:
x^2 - 18 x + 81 = 0
Write the left hand side as a square:
(x - 9)^2 = 0
Take the square root of both sides:
x - 9 = 0
Add 9 to both sides:
Answer: x = 9