a) 2X-3Y=6 b) 3X-2Y=4 c) X+2Y=7 d) X=Y

2. Parallel lines all have the same slope. But if a line has a slope of 1/2 what is the slope of the line perpendicular?

a) 3 b) 1/4 c) -2 d) -1/2

3. If (1,k) is on the line 2X-3Y=-4 then K must be equal to

a) 3 b) 1 c) 2 d) -2

4. X+2Y=6 intersects the X axis at

(0,6) (6,0) (0,3) (3,0)

5. ¦ab¦ means the length of the line segment joining the point a and b. If a(1,2) and b(5,5) what is ¦ab¦?

25 5 4 3

6. The image of (2,1) under central symmetry in the origin or S_{o}(2,1)?

(-2,1) (-2,2) (-2,-1) None of the above

7. If x(1,6), y(-3,-1) and z(2,-2) are vertices(points) of a triangle. Find what type of triangle it is? (Clue - Calculate lengths)

Isoceles Equilateral Right angled Scalene

8. To verify a line is perpendicular to another you multiply their slopes together and this should be -1.

True False 9. Find x if (x,1) is equidistant (same distance from) from (1,-4) and (-2,0)?

3.5 7 11 19

10. What is the equation of the sketched line

X - Y = 4 4X +Y = 0 X - 4Y= 0 None of the above