# Algebra Middle Two

7 Questions

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• 1.
The square roots of 25 is
• A.

5

• B.

-5

• C.

5 and -5

• D.

25

• 2.
The relation 3 x + 8 y = 24 is represented by a straight line intersecting y-axis at the point ………
• A.

(0, 8)

• B.

(8 , 0)

• C.

(0 , 3)

• D.

(3 , 0)

• 3.
If (2, - 5) satisfies the relation 3 x - y  + c = 0, then c = …….
• A.

1

• B.

-1

• C.

11

• D.

-11

• 4.
The opposite table represents the relation between  and y Which of the following expresses this relation ?             x         1          2           3         4          y         -2          -5          -8        -11
• A.

X+y=-1

• B.

X-y=3

• C.

3 x+y=1

• D.

Y=-x-3

• 5.
1) If  (3k,2k)  satisfies the relation x-3y=9 then value of k = ……….
• A.

-3

• B.

2

• C.

3

• D.

-2

• 6.
If the volume of a cube = 64  then the length of a diagonal of one face = ……… cm
• A.

4

• B.

Positive square root 32

• C.

32

• D.

8

• 7.
The volume of a cube is 5 cubic cm  If the edge length become twice the first then its volume = ……..