امتحان

If X = {a} a nd Y = {b}, then X×Y = ......

1

ab

2

(a,b)

3

{ab}

4

{(a,b)}

تصحيح

If (X4, Y-1) = (81 ,X2 ), then X + Y = ......

1

9

2

13

3

10

4

تصحيح

The function f (y) = y3 + 3y2 – 5 is of ............... degree.

1

first

2

fourth

3

second

4

third

تصحيح

If the curve that represents the function f (x) = 2x2 – a passes through the point (1,-2), then a = ......

1

4-

2

2-

3

2

4

تصحيح

The function f (x) = x2(x+ 2x2) is a polynomial of ......... degree.

1

third

2

fourth

3

first

4

second

تصحيح

If f (x) =2 x2 -x + 3, then f (-1) = .........

1

4-

2

4

3

6

4

6-

تصحيح

f (x) = 0.5x +2 is represented by a straight line passes through the point .......

1

(1,3)

2

(2,3)

3

(0,3)

4

(3,2)

تصحيح

If f (2x) = 4, then f (-x) = ............

1

2-

2

4

3

2

4

4-

تصحيح

If f (x) = 0.4, then f (-0.5) = ............

1

0.5-

2

0.4

3

0.4-

4

0.5

تصحيح

If X = {0,1,2} 2 f (x) = 3X+9 , then f (-1) = ......

1

6-

2

12

3

undefined

4

6

تصحيح

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