For what values of k will the pair of linear equations 2x - 3y = 7 and (k + 1) x + (1 - 2k) y = 5k - 4 have infinitely many solutions?
k = 5
k = 4
k = 6
x = 9
Find the area of the triangle formed by the coordinate axes and the line x + y = 6.
6
12
18
36
The pair of linear equations 3 x + 7 y - k = 0, 12 x + 2 ky = 4 k + 1 has no solution if the value of k is
k = 7
k = 14
k = 21
k = 28
If the pair of linear equations 6x - 2y - 3 = 0, kx - y -2 = 0 has a unique solution, then the value of k is
k = 3
k ≠ 3
k ≠ 4
If the pair of linear equations 5x + ky = -7, x + 2y = 3 is inconsistent, then the value of k is
k = 2/5
k ≠2/5
k = 10
k ≠ 10
At a certain time in a deer park, the number of heads and the number of legs of deers and human visitors were
counted and it was found there were 39 heads & 132 legs.Then the number of deers and human visitors in the park is
-27,10
27, 12
25,10
37,22
If the pair of linear equations 2x - y -3 = 0, 2kx + 7y - 5 = 0 has a unique solution x = 1, y = -1, then the value of k is
3
4
-6
The line 2x + 3y = 6 cut the x - axis at
(0, 3 )
(3, 0 )
( 0, 0 )
( 3, 3 )
The difference between two numbers is 26 and one number is three times the other number. Find them.
39, 13
30, 10
40, 14
30, 40
The pair of lines5 x - 4 y + 8 = 07 x + 6 y - 9 = 0 represents
parallel lines
coincident lines
intersecting lines
perpendicular lines