(a).
\Find the quadratic equation whose intercepts
.
When .
The general form of quadratic equaton is .
Substitute and
in the above equation.
The quadratic equation is .
.
Substitute and
in the above equation
Substitute and
in the above equation
Substitute and
in the above equation
(b) The value of does not affect the x-intercepts, but it changes the
intercept by a factor of
.
(c) The value of does not affect the axis of symmetry. It is for all values of
.
(d) The value of does not affect the
-coordinate of the vertex. However, the
coordinate of the vertex is multiplied by
.
(e) The mean of the intercepts is the
coordinate of the vertex.
(a) :
:
:
:
.
(b) The value of does not affect the x-intercepts, but it changes the
intercept by a factor of
.
(c) The value of does not affect the axis of symmetry. It is for all values of
.
(d) The value of does not affect the
-coordinate of the vertex. However, the
coordinate of the vertex is multiplied by
.
(e) The mean of the intercepts is the
coordinate of the vertex.