1

If X x Y = {(2 , 3) , (2, 5)} then n(X) =

2

If B > 3 then the point (6 , B -3) is located in the... quadrant

4

The function f(X) = 4X represented graphically by a straight line passing through the point

5

If the point (a, 3) is located on the straight line which represents the function f(X) = 4X -5 then a=...

7

If the point (A , 3-A) is located on the x-axis then A=..

9

If the function f : f(X) =5 is represented by a straight line parallel to the x-axis then it passes through the point

10

If R is a function from x to y where X = {3 , 5 , 7} , Y = {4 , 9} and R = {(3 , 4) , (B , 9) , (5 , 9)} then B = ...

12

The linear function given by the rule Y = 2X - 1 is represented graphically by a straight line intersecting the y-axis at the point

13

The linear function given by the rule Y = 3X + 6 is represented graphically by a straight line intersecting the x-axis at the point

14

If the straight line that represents the function f : f(X) = 2X - a passes through the origin then a=...

15

If the point (A , 4) is located on the straight line which represents the function f : f(X)=2X + B then 6A +3B =...

16

If the point (3 , 2) id the coordinate of the vertex of the curve for the function f then the equation of the symmetric axis is

26

If 5a , 2 , 3b , 7 are four proportional quantities then a ÷ b=...

29

If (2X - 3) : (X - 5)=1: 4then X =1

35

The third proportional for the two numbers 9 , -12 is

37

If the number 6 is the middle proportional between the two numbers m , 2 then m = ...

39

which the number that if added to all of the following numbers 1 , 3 , 6 they will be in a continued proportional

45

The range of the set of values 23 , 22 , 15 , 18 , 17 is

46

The mean for the values 7 , 3 , 6 , 9 , 5 is equal

47

The standard variation for values 8 , 9, 7 , 6 , 5 is approximately equal 1.41

48

The difference between the greatest value and smallest value in the set is

50

The positive square root to the average of squares deviation of values from the mean