8G Math HW#10: Lesson 9.1 and 9.2

Solve.

 $\sqrt{289}$  

• 17

• 16

• 18

• 19

Solve and round your answer in hundredths place.

 $-\sqrt{964}$  

• 31

• -31.04
  

• 31.04
  

• -31
  

Identify the 2 perfect square that is closest to number.

 $\sqrt{55}$  

• between 5 and 6
  

• between 6 and 7
  

• between 7 and 8
  

• between 8 and 9
  

Identify the 2 perfect square that is closest to number.

 $\sqrt{111}$  

• between 8 and 9
  

• between 9 and 10
  

• between 10 and11

• between 11 and 12

Evaluate.

 $\sqrt{x^2-y^2}\ when\ x=10\ and\ y=8$  

• 6

• 1.41

• 2

• 10.77

Evaluate
 $\sqrt{a^2+b^2}\ when\ a=8\ and\ b=15$  

• 16

• 17

• 4.79

• 5

 

Solve.
 $n^2-27=94$  

•  $n=\pm8.19$  

•  $n=\pm12$  

•  $n=\pm11$  

•  $n=\pm9.18$  

Solve.
 $421=m^2+21$  

•  $m=\pm200$  

•  $m=\pm40$  

•  $m=\pm400$  

•  $m=\pm20$  

 $\sqrt{129}$  

Tell whether the number is rational or irrational.

• Rational

• Irrational

 $\sqrt{\frac{\text{9}}{\text{16}}}$  

Tell whether the number is rational or irrational.

• Rational

• Irrational