Circle the choices below that are quadratic
functions.
y=x² – 3
y=x² + 2x² – 4
y=x² + √x+7
y=10– x²

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

The solution to the system of equations (-2,2)

Provide an equation