Solve the equation using square roots. x2 + 20 = 4
a. no real number solution
b.√24
c.+√24
d.-4

I would recommend the answer D because you take the root of both sides .

A is the answer for this question

“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 .

Do you need with the x value for the minimum? its always between the two intercepts for a parabola