1.1-1.2 Quiz

Evaluate  $x+y^2\left(2+x\right)\ if\ x=3\ and\ y=-1$  

• -4

• -2

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Simplify the expression.
 $6\left(9a-3b\right)-8\left(2a+4b\right)$  

•  $70a+14b$  

•  $38a+14b$  

•  $36a-48b$  

•  $38a-50b$  

Name the sets of numbers to which  $\sqrt{17}$  belongs.

• I, R

• Z, W, R

• Q, R

• Q, I, R

  $A=\frac{1}{2}bh$  
The formula for the area A of a triangle with height h and base b is written above. Write an expression to represent the area of the triangle based on the picture.

 

•  $A=\frac{1}{2}\left(2x\right)$  

•  $A=\frac{1}{2}\left(x+7\right)$  

•  $A=\left(2x\right)\left(x+7\right)$  

•  $A=\frac{1}{2}\left(x+7\right)2x$  

BONUS Question:
If $x=3+2^y$  and  $y=z-2$  what is the value of x when z=2?

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