# If the parabolas given by #y=2x^2+6x+5# and #y=x^2+a# are tangent, what is the abscissa of the tangency point?

##### 1 Answer

May 19, 2016

They are tangent at

#### Explanation:

Given the two parabolas

If they are tangents then they must have a common point.

Solving

Choosing