Problem 1E: In the Cartesian coordinate system below, name the ordered triple x,y,z represented by point A.... Problem 2E Problem 3E Problem 4E: Find a direction vector for the line containing the points -1,5,2 and the point 2,3,-1. Problem 5E: For the line l:x,y,z=2,3,4+n3,-2,5, find a a point of the line. b a direction vector for the line. Problem 6E: For the line l:x,y,z=5,3,-2+n1,2,-2, find a a point of the line. b a direction vector for the line. Problem 7E Problem 8E: In vector form as in Exercises 5 and 6, find an equation for the line through the point 4,1,-3 and... Problem 9E Problem 10E Problem 11E: In Exercises 11 to 14, find the distance between the two points P1 and P2. P1=0,0,0 and P2=1,2,4 Problem 12E: In Exercises 11 to 14, find the distance between the two points P1 and P2. P1=-1,2,3 and P2=2,-2,9 Problem 13E Problem 14E Problem 15E Problem 16E: In Exercises 15 to 18, find the midpoint of the line segment P1P2-. P1=-1,2,3 and P2=3,6,6 Problem 17E Problem 18E: In Exercises 15 to 18, find the midpoint of the line segment P1P2-. P1=1,0,2 and P2=0,5,9 Problem 19E: In Exercises 19 and 20, use the x, y, and z-intercepts to sketch the plane for each equation.... Problem 20E Problem 21E Problem 22E Problem 23E: In Exercises 23 to 26, find an equation for each sphere. With center 0,0,0 and radius length r=5. Problem 24E Problem 25E Problem 26E Problem 27E Problem 28E Problem 29E Problem 30E Problem 31E Problem 32E Problem 33E Problem 34E Problem 35E Problem 36E Problem 37E: The line x,y,z=3,4,5+n3,4,-5 intersects the sphere x2+y2+z2=100 in two points. Find each point. Problem 38E Problem 39E Problem 40E: For the sphers x-12+y+22+z-42=36 and x2+y2+z2=64, find the ratio of their a surface areas. b... Problem 41E: Does the sphere x2+y2+z2=100 have symmetry with respect to the a x-axis? b xy-plane? Problem 43E Problem 44E: Lines l1: x,y,z=2,0,3+n2,-3,5 and l2: x,y,z=4,1,-4+r-1,2,-4 intersect at point P. Find the... Problem 45E: The planes with the equation x+2z=12 and y-3z=6 intersect in a line. Find the equation for the line... Problem 46E Problem 49E Problem 50E format_list_bulleted