midpoint, parallel and perpendiuclar lines
equations of straight lines Straight lines
Circle
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Trivia
100

name two lines that are perpendicular and parallel to line 

4x - 2y = 6

perpendicular any line with gradient of -1/2

parallel any line with gradient of 2

100

Find the equation of the straight line passing thorugh the points (-4,3) and (6, -2) 

x + 2y = 2 or y=-1/2x+1

100

equation of a circle

(x-a)2 + (y-b)= r2

100

factorize


3x- 48

3(x-2)(x+2)(x2+4)

100

when did CCCP break down?

1991

200

The distance between two points p(a, -1) and Q(-5, a) is 4square root of 5

find a

a=3,-9

200

Try your luck or skip

spin the wheel

200

Find the radius of the Circle and the coordinates of its centre

x2 + y-8x + 4y + 4 = 0

4, (4, -2)

200

F(x) = 2x+3 

g(x) = x2 - 1

Find fg(2)

9

200

Name 4 teachers in lower secondary or teacher who teaches lower secondary (apart from kyrgyz and russina department)

?

300

The distance between two points p(-2, a) and Q(a-2, -7) is 17

Find the two possible values of a

a=8 a=-15

300

a line has equation 2x + y = 20 and a curve has equation y = a + 18/(x-3) where a is a constant find set of values of a for which the line does not intersect the curve

2<a<26

300

Solve this question or spin the wheel

?

300

Try your luck or skip your turn?

spin the wheel

300

what is formerly known as Ceylonn

Sri lanka

400

A = (a,3) B = (4,b)

the length of the line segment AB is 4root5 and the gradient is -1/2

Find the possible values of a and b

a=-4, b=-1 or a=12,b=7

400

perpendicular to the line 2x-3y = 12, passing through the point (8, -3)

3x+2y=18

or y=-3/2x+18

400

show that the circles 

x2+y2=25 and x2+y2-24x-18y+125=0 touch each other

Find the coordinates of the point where they touch

Proof

400

Find the inverse function of f(x)=(2x+7)/(x-2)

y=(2x+7)/(x-2)

400

Who was the the first woman to win a Nobel Prize?

Marie Curie

500

Line ax - 2y = 30 passess through the point A(10,10) and B(b,10b) where a and b are constants

Find the values of a and b and the the coordinates of the midpoint of AB

a=5, b=-2   midpoint(4, -5)

500

the equation of a curve is xy=12 and the equation of a line is x + y = k, where k is a constant

In the case where k =20, the line intersects the curve at the point A and B

Find the midpoint of the line AB 

Find the set of values of k for which the line 3x + y = k intersects the curve at two distinct points

(10/3, 10)

k<-12, k>12

500

The points A(1,-2) and B(5,4) lie on a corcle with centre C(6, p)

Find the equation of a perpendicular bisector of the line segment AB

use your answer to part a to find the value of p

y = -2/3x +3

p=-1

500

The function f : x = x+8x -5 is defined for x<m where m is a constant state the smallest possible value of m for which f is one-one

m = -4

500

what layer is in plant cells but not animal cells

a cell wall

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