Assignment - 4
1. Find the
given co-ordinates is a solution of equation (2 x – 2 y) = 0 ?
a). (0,1)
b). (0,-1)
c). (2,1)
d). (-2,-1)
e). (4,2)
f). (1,2)
2. Find the
value of K for given equation 3 x + 3 y = K for co-ordinates are
a). (0,1)
b). (0,-1)
c). (2,1)
d). (-2,-1)
e). (4,2)
f). (1,2)
3. y = 2
x + 5 have how many solutions find it ?
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| maths ncert solutions |
4. Find the
four solutions for given equations :-
a). -3 x + 2 y
= 5
b). -y = 3 x +
7
c). -2 x + 5 y
= 6
d). -5 x + 2 y
= 3
e). ∏ X + 2 Y =
-2
f). 3 x - 2 y =
-5
g). y = 3 x - -7
h). -2 x - 5 y
= 6
i). -5 x - 2 y
= 3
j). -∏ X - 2 Y
= 2
5. Draw the graph of following ?
1. 2 x + y = 2
2. 2 x – y = 3
3. y = 3 x
4. 2 x + y = 4
6. Given the equation of two lines
passing through (1,5). How many more such lines are there, and why ?
7. If the point (1,2) lies on the
graph of the equation 4 y = a x + 6 . Find the value of a .
8. If the point (1,2) lies on the
graph of the equation 2 y = a x + 3 . Find the value of a .
9. If a cost of cooler is twice,
is the cost of fan. Write the equation for that ?
10. Find the value of a, b, and
c for given polynomial ?
a). -4 x + 7 y = 9
b). -7 x + 9 y = 11
c). -½ x + y = 2
d). -2 x + ½ y + 3 = 0
e). -3 x + 2 y = 0
11. Find the value of a, b, and
c for given polynomial ?
a). 4 x - 7 y = -9
b). 7 x - 9 y = -11
c). ½ x - y = -2
d). 2 x - ½ y - 3 = 0
e). 3 x - 2 y = 0
12. Find the value of a, b, and
c for given polynomial ?
a). -4 x + 7 y = 9
b). -7 x + 9 y = 11
c). -½ x + y = 2
d). -2 x + ½ y + 3 = 0
e). -3 x + 2 y = 0
13. Find the value of a, b, and
c for given polynomial ?
a). -2 x - 7 y = -9
b). -5 x - 9 y = -11
c). -3/2 x - y = -2
d). -3 x - ½ y - 3 = 0
14. Find the value of a, b, and
c for given polynomial ?
a). x = 6 y
b). x = 3 y
c). 5 x = 2
d).3/2 y + 3 = 0
e). 3 y = 0
15. Find the value of a, b, and
c for given polynomial ?
a). x = -6 y
b). x = -3 y
c). 5 x = -2
d).3/2 y - 3 = 0
e). -3 y = 0
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