1. Which of the following quadratic equation can be solve by both extracting the
square root and factoring?

A. x²+2x1=0
B. 4x²-9=0
C. x³-4x+6=0
D. 4x²+2x+25=0

2. The roots of x²+8x+20=0 is

a. Rational but not equal b. irrational

c.rational and equal

d. imaginary

3. The roots of x²+8x-20-0 is

a. -10 and 2

b. 10 and -2

c. 10 and 2

d. none of the above

4. The equation 3x+4x+1-0 can be solve by

a. Extracting the square root
b. factoring only
c. factoring and completing the square.

III. Supply the constant term to make the expression a perfect square trinomial the express it as square of binomial.

1. x²+8x+ _____ = ( )²

2. m²-9m + _____ = ( )²

3. h²-14h+ ______ = ( )²

4. w²-15w+ ______ = ( )²

5. x²+¾x+ _____ = ( )²

6. g²+12g+ ______ = ( )²

7. k²+7k+ _______ = ( )²

8. m²+½n+ ______ = ( )²

9. r²+⁵/2r+ ______ = ( )²

IV. Solve the following quadratic equation by completing the square.Show your complete solution.

1. X²-2x-8=0

3. m²+5m-36-0

2. X²+4x-2=0

Solve the quadratic equation using quadratic formula. Show your complete solution. 1. 2x²+8x=-6

(Help po plss, I rreally need help rn. kailngan q ung answer na sigurado at hndi pilosopong answer. thanks)​
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