Question

1.
An equation ax+by+6=0 is a linear equation in 2 variables, where a, b, care
A) Natural numbers
B) Whole numbers
C) Integers
D) Real numbers
2.The solutions of the system of equations, x-y+1=0 and 3x+2y-12 =0 is
A) (0,1)
B) (4.0)
C) (2,3)
D) (0,6)

3. Find the value of 1 --, if bx - ay = a +b and ax + by-a-b
A) 2
B) 1 c) 0
D -1
4. Find the dimensions of a garden, whose length is 4m more than its width and half
the perimeter is 36m
A) 20m x 16m B) 14m x 10m C) 26m x 22m D ) 12m x 8m
5. The system of equations 3x ---5y-20 and 6x-10y = 40 has
A) One solution
B) exactly two solutions
C) Infinitely many solutions
D) no solutions​

Answer 1

Answer:

1.a)natural numbers

2.c)2,3