Math Quiz

Math Quiz

MA2132

Multiple Choice

What is the formula for frequency density?

• class width/frequency

• frequency/class width

• frequency

Multiple Choice

 $\pi$  radian is ________ degree

• 360

• 180

• 90

Open Ended

 Rationalise$\frac{6\sqrt{3}}{\sqrt{3}-2}$  

Multiple Choice

 $2x+ky=6$  ,  $4x-5y=10$  

What is the possible value of k if these simultaneous equations have no solution?

• 5

• 2.5

• -5

• -2.5

Multiple Choice

The formula for area of sector ( $\theta$  is the angle in radian and r is the radius) is

•  $r\theta$  

•  $\frac{1}{2}r^2\theta$  

Multiple Select

 $\overrightarrow{AB}=$  

•  $\overrightarrow{OA}-\overrightarrow{OB}$  

•  $\overrightarrow{OB}-\overrightarrow{OA}$  

•  $\overrightarrow{AC}+\overrightarrow{CB}$  

•  $\overrightarrow{AO}+\overrightarrow{OB}$  

Open Ended

 $\overrightarrow{AB}=k\overrightarrow{BC}$  What can you say about these two vectors? What can you say about points A, B and C?