Solving Quadratic Equations by Taking the Square Root

Solving Quadratic Equations by Taking the Square Root

Lesson 10.3C

Fill in the Blank

Solve the equation. Be sure to round answers to four significant digits (0.000 or 00.00)

 $19=x^2+4$  

Write your answer as: x=#, #

Fill in the Blank

Solve the equation. Be sure to round answers to four significant digits (0.000 or 00.00)

 $x^2-8=1$  

Write your answer as: x=#, #

Fill in the Blank

Solve the equation. Be sure to round answers to four significant digits (0.000 or 00.00)

 $6=x^2$  

Write your answer as: x=#, #

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Solve the equation. Be sure to round answers to four significant digits (0.000 or 00.00)

 $\left(x-1\right)^2=19$  

Write your answer as: x=#, #

Fill in the Blank

Re-write as an exact number by extracting roots. Write your answer as
#sqrt(#)

 $\sqrt{80}$  

Fill in the Blank

Re-write as an exact number by extracting roots. Write your answer as
#sqrt(#)

 $\sqrt{63}$  

Fill in the Blank

Re-write as an exact number by extracting roots. Write your answer as
#sqrt(#)

 $\sqrt{32}$  

Fill in the Blank

Re-write as an exact number by extracting roots. Write your answer as
#sqrt(#)

 $\sqrt{98}$  

Fill in the Blank

Re-write as an exact number by extracting roots. Write your answer as
#sqrt(#)

 $\sqrt{192}$  

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