Who was credited with inventing coordinate geometry?
Rnene Descartes
100
What does slope mean?
gradient
100
What is the symbol for gradient?
m
100
What does OFS stand for?
Overseas Family School
200
What is the equation of a line parallel to the x axis and passing through the point (3,4)?
y = 4
200
What is the equation of a line parallel to the y axis and passing through the point (3,4)?
x = 3
200
what are coordinates?
Two numbers (x,y) which describe the x value and y value (position across from the origin and a number which describes how far you move up or down from the origin.)
200
What does midpoint mean?
The middle point of a line segment
200
Off which country did a cruise ship simk this week?
Italy
300
Fine the midpoint of (3,6) and (5, - 6)
(4, 0)
300
What is the gradient of the line joining (5, - 1) and (7, -5)
m = -2
300
What does parallel mean?
Has the same gradient (lines do not meet)
300
What does perpendicular mean?
Lines meet at right angles
300
Who is the Principal of OFS?
Ms Bentin
400
What is the gradient and y intercept of y = 5x - 7?
m = 5, c = -7
400
What is the gradient and y intercept of y = 15 - x?
m = -1, c = 15
400
What does bisect mean?
Cuts in half
400
What is the negative reciprocal? eg give the negative reciprocal of 3.
Turn the number upside down and change the sign eg - 1/3
400
What are the Chinese words for Happy Chinese New Year?
Gong Xi Fa Cai
500
Does the point (0,0) lie on the line that is parallel to y = x + 7 and which passes through (-1,0)?
No
500
Two lines are perpendicular. The equation of one line is y = 2 - x and the equation of the other is y = gx + 1. What is g equal to?
g = 1
500
What does General Form of a straight line mean?
Ax + BY + C = o (A, B and C are inetegers)
500
What does vertical mean?
A line which goes up and down (at right angles to the horizontal)
500
HOW MANY DAYS HOLIDAY DO YOU AHE OFF SCHOOL FOR CHINESE NEW YEAR?