Answer:
The slope is 0.
Step-by-step explanation:
In the plane, we can write all the lines using the following equation :
[tex]y=ax^{2}+b[/tex]
Where ''a'' and ''b'' are real numbers and ''a'' is the slope of the line.
If [tex]a=0[/tex] we will have the following lines :
[tex]a=0[/tex] ⇒ [tex]y=(0)x^{2}+b\\y=b[/tex]
All the lines with the form [tex]y=b[/tex] are parallel to the x-axis and intersect the y-axis in the point [tex](0,b)[/tex].
The slopes of all this lines is equal to 0 given that [tex]a=0[/tex]
