Equations and Inequalities

mpx

drawing

(b)

When

and when

. Find the values of

and

.
4. Find the values of

for which both

and

are true.
5. The quadratic equation

has no real roots.

Find the possible set of values for

.
6. The curve

passes through the points

and

.

Given that

at

find the values of

and

.
7. Show, by shading on a graph, the region for which both

and

. Show the coordinates of the intersections between the curves and the coordinate axes.

drawing