For each question, indicate whether the statement is true or false by circling T or F, respectively. You get -0.25 points for answering the question incorrectly and 0.5 points for leaving it blank. (It is statistically to your advantage to answer only if you are at least 60% confident that your answer is correct). 1. (T/F) Shaders are programs that run on the GPU 2. (T/F) The fragment shader determines the position of the vertexes. 3. (T/F) For nonzero vectors u and v, u-v = 0 if and only if u and v are parallel 4. (T/F) For nonzero vectors u and v, u v 0, if and only if u and v are parallel. 5. (T/F) For any vector v, v-v-llvil. 6. (T/F) The product of a matrix with a vector is a vector. 7. (T/F) In ray tracing, view rays are cast from the world position of a pixel towards camera position 8. (T/F) One can decide if a line is intersecting with a sphere by combining the sphere and line equations and evaluating the discriminant of the quadratic formula 9. (T/F) The intersection of a ray with a cube can be calculated analytically given the plane equations of each side of the cube. 10. (T/F) Semi-transparent objects can be rendered with ray tracing