1.what is the sum of the roots?
A.8
B.6
C. - 6
D.-8
2.what is the product of the roots?
A. 8
B.6
C.-6
D.-8
3.solve the given equation by extracting square roots x^2 - 1=3?
A.+1
B.+2
C.+3
D.+4
4.Find the roots of the equation x^2 +9x+18=0.
A.3 or 6
B.3 or - 6
C.-3or 6
D.-3or - 6
5.Find the roots of the equation 2x^2-3x=0.
A. 1 or 1/2
B. 1 or - 1/-2
C. - 1 or 1/2
D. - 1 or - 1/-2
Find the roots of equation. x^2 - 8x+15=0
A. 3 or 5
B. 3 or - 5
C. - 3 or 5
D. - 3 or - 5​