7) gives
–
– 1
1
1
10
7 5
v +
=
or 10
7 5
2 5
v
−×
=
 = – 30 cm
The image is 30 cm from the mirror on the same side as the object Also, magnification m = 
( 30)
–
–
– 3
( 10)
v
u
−
=
=
−
The image is magnified, real and inverted