SS2 maths 3rd term

The greater of the two roots of the equation (2x-5)(3x+10)=0 is

• 10

• 2 1/2

• -3

• 5

Find the value of k such that x^2+5x+k is a perfect square

• 2 1/2

• 4 1/4

• 6 1/4

• 25

In which one of the following cases can two triangles PQR be drawn?

• q=6, r=5,R=50°

• p=5, q=8, P=90°

• p=3, q=4, r=6

• p=5, Q=72°, R=64°

Given that 3x+7y=1 and x-7y=19, then x+y=

• -2

• 5

• -3

• 3

Given that x is an integer, what is the greatest value of x which satisfies 4-3x>24?

• 7

• -7

• -6

• 6

The average speed, in km/h, of a car that travels 72km in 45mins is

• 64

• 88

• 96

• 54

A fair coin is tossed once. What is the probability of getting a head or a tail?

• 0

• 1/2

• 1

• 1/4

A die is thrown and a coin is tossed. What is the probability of getting a 1 and a head together?

• 1/12

• 2/3

• 1/6

• 1/3

If the bearing of X from Y is 104°, what is the bearing of Y from X?

• 284°

• 104°

• 076°

• 014°

Given ∆XYZ, x=6, y=3, z=4, cos X=

• -9/24

• -11/24

• 11/12

• 11/24