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GRE Math: Points And Lines

Instructions:

Answer 13 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. quadrant II
x>0 and y>0
(x1+x2)/2 - (y1+y2)/2
x<0 and y>0
Rise/run (change in y/change in x)

2. quadrant III
Rise/run (change in y/change in x)
x<0 and y<0
(x1+x2)/2 - (y1+y2)/2
D=sqrt((x2-x1)^2+(y2-y1)^2)

3. of equal and inequality
Ordinate
Solid line
y=mx+b
Rise/run (change in y/change in x)

4. midpint formula
Solid line
D=sqrt((x2-x1)^2+(y2-y1)^2)
(x1+x2)/2 - (y1+y2)/2
x>0 and y<0

5. quadrant VI
D=sqrt((x2-x1)^2+(y2-y1)^2)
Solid line
x>0 and y<0
(x1+x2)/2 - (y1+y2)/2

6. standard equation of a line
Ordinate
D=sqrt((x2-x1)^2+(y2-y1)^2)
y=mx+b
x>0 and y<0

7. slope
Ordinate
Abscissa
Rise/run (change in y/change in x)
x>0 and y>0

8. quadrant I
(x1+x2)/2 - (y1+y2)/2
x>0 and y>0
Rise/run (change in y/change in x)
x>0 and y<0

9. distance formula
Solid line
D=sqrt((x2-x1)^2+(y2-y1)^2)
x<0 and y<0
x<0 and y>0

10. first coordinate
x>0 and y>0
y=mx+b
Abscissa
Dashed line

11. second coordinate
Ordinate
x>0 and y>0
x<0 and y>0
x>0 and y<0

12. point-slope form of a line
Ordinate
D=sqrt((x2-x1)^2+(y2-y1)^2)
Dashed line
M=(y-y1)/(x-x1)

13. if inequality
M=(y-y1)/(x-x1)
Abscissa
Dashed line
y=mx+b