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#145
Solving Quadratic Equations by
Extracting Square Roots
Quadratic equations that can be written
in the form x-k can be solved by
applying the ff. properties:
1. If ko then x²= k has two real
Solutions or roofs
2. If k=0 then x-k has one real
Solution or root X=0
3. If k Solution or root.
Extract Me!
Solve the ff quadratic equations by
extracting square roots.
J. X2-121
r²-16
3 S²-200-0
4 21-180
y²-100
5.
6. 3x²-54-0
7. v²+81-0
8 (1-3)2-196
WP
4
25
10
10. 9
16