Write the equation for a parabola with a focus at (9,0) and a directrix at y = -4.
2 answers:
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Answer:
--- Sam
--- Tim
Step-by-step explanation:
Given
Sam Tim
х --- f(x) --------------- g(x)
1 --- 80 --------------- 100
2 --- 110 --------------- 120
3 --- 140 --------------- 140
4 --- 170 -------------- 160
Required
Determine the y value
y value implies the equation of the table
Calculating the equation of Sam
First, we need to take any corresponding values of x and y
Next, we calculate the slope (m)
Next, we calculate the line equation using:
Make y the subject
Calculating the equation of Tim
First, we need to take any corresponding values of x and y
Next, we calculate the slope (m)
Next, we calculate the line equation using:
Make y the subject
