1. |
Find the range of values of for which the quadratic equation
|
|
has |
||
(a) two real roots, |
||
(b) one real root, |
||
(c) no real root. |
||
2. |
Solve the inequality |
|
3. | Given that, 3 and -4 are roots of a quadratic equation. Find the quadratic |
|
equation. |
||
4. | ||
5. | (a) Find the range of x for which |
|
(b) The straight line
does not intersect with the curve Find the range of c. |
||
6. | Given that and
are
the roots of the equation ,
where |
|
,
find |
||
(a) the values of and , |
||
(b) the quadratic equation with roots of |
||
7. | ||