ford45
31.08.2019 •
Mathematics
Ageneral formula for a parabola is y2 = 4px. what is the value of p in the equation y2 = –4x?
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Ответ:
compare
y²=4px vs
y²=-4x
y²=y²
4px=-4x
divide both sides by x
4p=-4
divide both sides by 4
p=-1
p=-1
Ответ:
p= -1
Explanation:
We have been given parabola along positive side of x-axis with equation
after equating the values of we will get
4px =-4x
Divide each term by x on both left hand side and right hand side we will get
4p= -4
Now, divide each term by 4 on both left hand side and right hand side we will get the final result p=-1
Ответ:
I think it is A too Sorry if im wrong