Question # 1

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1

5

7

9

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cos 315° = ______

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If y = eax sin bx and y2 - 2ay1 + (a2+b2) y=0 the for what values of a and b we have y2+10y1+34y =0

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a = -10,b=34

a=-5,b=3

a=5,b=3

a=10,b=34

If the function y=2x -3, what is the preimage of 11?

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11

7

5

2

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Roots of the equation x²+ 7x + 12 = 0 are

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{3, -4}

{-3, 4}

{3, 4}

{-3, -4}

4/√49 is a

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Irrational Number

Prime Number

Rational number

Whole number

The angle of elevation of a tower from a point A due south of it is x and from a point B due east of A is y. If AB = 1, then the height h of the tower is given by

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4x + 1

4x

2x³

none of these

The last term of (1+2x)-2

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(-1)-2 (2x)-2

(-1)-4(-2x)-2

(-1)-3(2x)-3

Does not exist

Arithmetic mean between 14 and 18 is

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16

17

15

32

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quadratic function

constant function

linear function

exponential function

The roots of the equation 2^2x- 10.2^x+ 16 = 0 are

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2, 8

1, 3

1, 8

2, 3

The coordinates of a point P(x,y) referred to XY-system are

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(x+y,y+k)

(x-h,y-k)

(x,y)

(x-h,y-k)

In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

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4

6

8

10

The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

If A = {2m/m³= 8 , m€ Z} then A =

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{1,8,27}

{4}

(2,4,6}

{2,16,54}

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A

B

U

None of these

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0

1

1/2

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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Polynomial

Equation

Proper fraction

Improper fraction

The solution set of the inequality ax + by < c is

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straight line

half plane

parabola

none of these

A vertical pole is 8m high and the length of its shadow is 6m. The angle of elevation of the sun of the moment is

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57𝜊

-48𝜊

27𝜊

53𝜊

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Two real roots

Two positive roots

Two negative roots

One positive and one negative root

If n is add the expansion (a + x)ⁿhas middle terms

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2

3

4

5

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4A - 3I

3A - 4I

A - I

None of these

At a point 15 meters away from the base of a 15 meters high house, the angle of elevation of the top is

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90°

60°

30°

45°

8 . 7 . 6. 5 in factorial form is

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