Why is it that ferromagnetic material can be magnetized

Write a polynomial function with the given zeros x= -1,0,2show your work

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical