coggonp
27.06.2020 •
Mathematics
Please help! Complete the square
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Ответ:
x= 3±sqrt(15)
Step-by-step explanation:
x^2 -6x = 6
Take the coefficient of x
-6
Divide by 2
-6/2 = -3
Square it
(-3)^2 = 9
Add this to each side
x^2 -6x+9 = 6+9
(x-3)^2 = 15
Take the square root of each side
sqrt((x-3)^2) = ±sqrt(15)
x-3 = ±sqrt(15)
Add 3 to each side
x-3+3 = 3±sqrt(15)
x= 3±sqrt(15)
Ответ:
Regardless of how many times the triangle has been dilated from its original size, the tan of angle x will still remain at 22/5.
The value of the tan of x for the dilated triangle is 22/5.