kortetsosie4576
28.01.2020 •
Mathematics
hurry i have less then 10 mins to finsish a 20 question test and i have onyl done 6 questions )_: imma fai, ):
the vertices of a quadrilateral are (0,-,,2) and (-3,-2) what type of quadrilateral
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Ответ:
shut t*f up an do your work get yo bum a*s off here and do !
Ответ:
B
Step-by-step explanation:
Start by reasoning out what you need. Then calculate. You could just begin by removing the brackets on the right for each possible answer, but you are doing a little more work than you have to.
If the signs are the same inside the brackets, you will get a middle term and that is not the answer. For example
A
Remove the brackets on the right. (3x - 5)(3x - 5) = 9x^2 - 15x - 15x + 25 leaves you with 9x^2 - 30x + 25 which has a middle term and is not the answer.
C
Same thing as A
D is wrong because the - outside the brackets affects everything.
The answer must be B