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name two lines that are perpendicular and parallel to line
4x - 2y = 6
parallel any line with gradient of 2
Find the equation of the straight line passing thorugh the points (-4,3) and (6, -2)
x + 2y = 2 or y=-1/2x+1
equation of a circle
(x-a)2 + (y-b)2 = r2
3/2pi in degree
270'
find the arc length of a sector of a radius 16cm and angle 3pi/8
6pi
The distance between two points p(a, -1) and Q(-5, a) is 4square root of 5
find a
a=3,-9
What element is a diamond composed of?
carbon
Find the radius of the Circle and the coordinates of its centre
x2 + y2 -8x + 4y + 4 = 0
4, (4, -2)
in 2nd quadrant which trigonometric ratio is positive
sine
What does a Geiger counter measure?
radiation
Group of Fish?
School
perpendicular to the line 2x-3y = 12, passing through the point (8, -3)
3x+2y=18
or y=-3/2x+18
What is it called when a solid changes directly into a gas?
Sublimation
Find in radians, the angle of asector of where radius is 4cm and the area is 9cm^2
1.125rad
what is the area of a sector
1/2r^2angle
which country is well known dia de los muertos
Mexico
what is domain of a sine graph
infinity to infinity
is the graph of af(x) is what transformation of f(x)
stretch of graph f(x) with stretch factor of a parallel to the y axis or vertical stretch
The function f : x = x2 +10x -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 = -5
How do you call a female elephant
a cow