Question:
A searchlight uses a parabolic mirror to cast a beam of
Last updated: 7/7/2022
A searchlight uses a parabolic mirror to cast a beam of light in parallel rays where the light bulb is located at the focus of the parabola in order to give the best illumination. The mirror is modeled by y² = 20(x - 10), where the measurements are in cm. What is the location of the light bulb? (10,0) (20, 0) (12, 0) (15, 0)