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19.These are the values of the variable/s that make quadratic equations true. *

a. Roots

b. discriminant

c. imaginary number

d. expression

20.This method is used by dividing the middle term by 2 and squaring me. *

a. Extracting Square Roots

b. Completing the Square

c. Factoring

d. Quadratic Formula

21.It is applying the square root property as a means of solving quadratic equation. *

a. Extracting Square Roots

b. Completing the Square

c. Factoring

d. Quadratic Formula​


Sagot :

[tex]\huge \bold \blue{ANSWER:}[/tex]

19.) A. Roots

20.) D. Quadratic Formula

21.) A. Extracting Square Roots