D) 3
2) For the equations with variables x and y, if Dx = 26, Dy = -39 and D
13 then x=?
A)2
B) - 3
C) - 2
3) Which of the following is linear equation in two variables?
A)+=6 B) 2x2-3y=8-3y C)x+2y=5-3y D) 3 x +y
4) which of the following is not the solution of 3x+6y=12?
A) (-4,4) B) (0,2)
C) (8,-2)
D) (3.1
3 y
5
5)
= 2 X
A) 3
B) 4
C) -3
D) - 4
6) For equations 5x + 3y + 11 = 0 and 2x + 4y = - 10 find D.
A) 14
B) - 14
C) 26
D) - 20
If 49 x-57 y = 172 and 57 x - 49 y = 252 then x + y =?
Answers
Answered by
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Answer:
2.) A.
Explanation:
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