if x2−2xy−3y2=7 and x+y=1 find the value of x−3y

Advanced prep 2

Quiz
•
Other, Education
•
8th Grade
•
Hard

Mohammed Hamdy Mohamed hamdy
Used 1+ times
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4
7
3
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a+b-5)(a+b+2)
- (a+b-5)(a+b+2)
(a+b)(a-b)
-(a+b)(a-b)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x - 5) (x+1)
(x+2)(c+4)
(x-1)(x+1)
2(x+1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
7
8
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
- (4 (a+b)+1)( (a+b) -3)
(4 (a+b)+1)( (a+b) -3)
- ( (a+b)+1)( (a+b) -4)
- ( (a+b)+1)( (a+b) -9)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(8x+7y) (x+y)
(8x+7y) (x+4y)
(x+y)(x-y)
(2x+3y)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x+2)(x+4)
(x+1)(x+15)
(x+3)(x+5)
(x+2)(x+1)
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