Question 1

Which equation is linear ?

Question 2

What are the solutions of this equation ?

0x+100=0

Question 3

What are the solutions of this equation ?

2x+1x=6xx

Question 4

What are the solutions of this equation ?

10x+2y=18

Question 5

What are the solutions of this system ?
{1x+1y=42x+2y=4

Question 6

What are the points the lines d1 and d2 intersect each other at ?
d1:y=2x+6d2:y=5x1

Question 7

What are the points the planes p1, p2, p3 intersect each other at ?
p1:x+2y2z+1=0p2:x+3y3z1=0p3:2x+y+4z+2=0