Form 3 test

 $\cos30\degree=$  

•  $60\degree$  

•  $0.5$  

•  $0.866$  

•  $0.577$  

 $Arc\tan\left(1\right)=$  

•  $1$  

•  $45\degree$  

•  $60\degree$  

•  $0.017$  

 $\sin^{-1}\left(0.5\right)=$  

•  $30\degree$  

•  $60\degree$  

•  $\frac{1}{2}$  

•  $2$  

 $What\ is\ the\ length\ of\ side\ y\ of\ the\ triangle\ below?$  

•  $9m$  

•  $15m$  

•  $18.8m$  

•  $25m$  

What is the change in height of the car after driving to the top of the road?

• $4000m$

• $\left(4000\times\tan22\degree\right)m$

• $\left(4000\times\cos22\degree\right)m$

• $\left(4000\times\sin22\degree\right)m$

• $\left(60\times\tan12\degree\right)m$

• $\left(60\times\tan78\degree\right)m$

• $\frac{60}{\tan12\degree}$

• $\frac{60}{\tan78\degree}$

 $If\ a=-1\ and\ b=2,\ caculate\ the\ value\ of:\ 2a+b\$  

•  $1$  

•  $4$  

•  $5$  

•  $8$  

 $Simplify\ 8x+3x-x$  

•  $10x$  

•  $11x$  

•  $12x$  

•  $2x$  

"Twice a certain number plus 6 gives a result of 24". Write an algebraic equation to represent this statement.

• $\frac{p}{2}+6=24$

• $2p+6=24$

• $p+6=24$

• $2+p=24$

 $Solve\ the\ equation\ 5y-6=14.$  

•  $4$  

•  $5$  

•  $8$  

•  $20$