Q65 of 134 Page 4


Determine whether the given quadratic equation has root(s). If so, findthe root(s): 6x 2+ x – 2 = 0.


a = 6,

b = 1 and

c = –2
Δ = b 2 – 4ac

= (1) 2 – 4(6)

= 1 + 48

= 49
Therefore the quadratic equation has real roots.


Therefore the roots are and .

More from this chapter

All 134 →
63
Determine whether the given quadratic equation has root(s). If so, findthe root (s): z 2+ 2z – 8 = 0.
 64
Determine whether the given quadratic equation has root(s). If so, findthe root(s): z 2– 6z + 4 = 0.
 66
Determine whether the given quadratic equation has root(s). If so, findthe root(s):4x 2+ 12x + 9 = 0.
 67
Determine whether the given quadratic equation has root(s). If so, findthe root(s):2x 2+ 5https://gs-post-images.s3.amazonaws.com/user_files/63094/15042/images/extra-4_files/Image1256.gif + 16 =0.