[algebra] find the center and radius of the circle with equation x2 y2 -2x4y 113 op

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Is the point (0, 8) on the x-axis or y-axis? how do you know?