Start chapter 6 1VWO N&S

Calculate

 $7^2$  

Calculate

 $\left(-9\right)^2$  

Calculate

 $-20^2$  

Calculate

 $\sqrt{64}$  

Calculate

 $\sqrt{121}$  

Calculate

 $\sqrt{225}$  

Given the formula

 $y=x^2+3$  
Fill in  $x=4$  

Given the formula

 $y=2x^2$  
Fill in  $x=5$  

Given the formula

 $y=-3x^2$  
Fill in  $x=-1$  

Given the formula

 $y=\left(x+4\right)^2$  
Fill in  $x=-6$