ceibrione1
03.08.2019 •
Mathematics
Determine which equation has the same solutions as the given equation
2x^2 - 12x - 50 = 0
a. (x-3)^2 = 16
b. (x - 6)^2 = 19
c. (x - 6)^2 = 31
d. (x - 3)^2 = 34
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Ответ:
Step-by-step explanation:
here is the answer ....feel free to ask if u don't get it
Ответ:
D.
Step-by-step explanation:
Its looks like they have complete the square for the given equation.
So let's do that.
I see all of my terms are even so I can easily divide each of them by 2.
I'm going to divide both sides by 2:
The first step in completing the square is to make sure the coefficient of is 1 so we can use this easy formula:
.
So I see in place of k I have -6.
I'm going to add on both sides.
See these first three terms here can be written using the mentioned formula:
Let's simplify a bit:
Add 25 on both sides:
Ответ:
180
Step-by-step explanation: