Crest Math Quest for Upper Secondary

What is the name of this polygon?

• Pentagon

• Hexagon

• Octagon

• Nonagon

 $Given\ that\ a=2\ and\ b=3,\ find\ the\ value\ of\ 4a-b.\$  

• 3

• 5

• 10

• 39

What do you call angle x?

• Acute angle

• Reflex angle

• Obtuse angle

• Right angle

Which of the following is the largest two-digit prime number?

• 91

• 93

• 97

• 99

Find the area of the shaded part. Area of 1 small square is 1cm².

•  $7\ cm^2$   

•  $8\ cm^2$ 

•  $9\ cm^2$ 

•  $10\ cm^2$ 

Factorise 2x - 6y

•  $2\left(x-3y\right)$  

•  $2\left(x-4y\right)$  

•  $12xy$  

•  $-12xy$  

Which is the correct algebraic expression for

“ subtract 2a from the sum of x and y.”

• $2a-x+y$

• $x+y-2a$

• $2a-\left(x+y\right)$

• $\left(x+y\right)-2a$

Complete the sequence

4, 6, 12, 14, 28, 30, ___

• 32

• 34

• 58

• 60

The diagram above shows an isosceles triangle PQR. It is given that RX = 9 cm and PR = 15 cm.

Find the length of PX.

• 6 cm

• 12 cm

• 14 cm

• 24 cm

Expand & simplify (x - 2) (x + 3)

•  $x^2+x-6$  

•  $x^2+2x+3$  

•  $x^2-5x+6$  

•  $x^2-2x-6$