Use the value of a,b, and c of each of the following quadratic equations in determining the sum and product of the roots.

1. 5x²+10x-20=0
sum:
product:

2. 2x²-3x-20=0
sum:
product:

3. 18p=p²
sum:
product:

4. 7=2v²-9v
sum:
product:

5. 12+4r²=13r
sum:
product:

III. Write the quadratic equation in the form ax²+bx+c=0 given the following roots.

1. -3 and 15
QE:

2. 3 and -3
QE:

3. -8 and -4
QE:

4. 1/2 and -5/3
QE:

5. 0 and -6
QE

DIRECTIONS: Transform each of the following equations to a quadratic equation in the form ax²+bx+c=0. then, find the solution set of the following quadratic equations. show you complete solution.

1. 3s (s - 2) = 12s
quadratic equation:


solution set:

2. (t + 1)²+( t - 8)²=45
quadratic equation:

solution set:

3. (x + 2)²/5 + (x - 2)²/ 5 = 16/3

quadratic equation:


solution set:


4. 1/x - x/6 = 2/3

quadratic equation:


solution set:
​