Name:______________________________________________Date:____________________Period:_____
Algebra1-FS
Assignment45:SolvingQuadraticsbyTakingSquareRoots
Directions:Solveeachquadraticequationbytakingsquareroots.Allanswersmustbesimplified.
Decimalanswerswillnotbeacceptedforcreditbutareagoodwaytocheckifyousimplifiedcorrectly.
1. 𝑥 ! = 9 2.𝑥 ! − 30 = 6
3.𝑥 ! + 25 = 0
4.3𝑥 ! − 60 = 0
5.6𝑥 ! − 17 = 7
6.𝑥 ! − 80 = 0
8. 𝑥 − 6
= 100 9.2 𝑥 − 9
= 96 11.3𝑥 ! − 780 = 300
12.9(𝑥 − 2)! + 63 = 144
7.𝑥 ! + 2 = 70
!
!
= 10
10.6 𝑥 − 4
!