Pregunta 1
Pregunta
Find the coordinates of M, the midpoint of AB, where A and B have the coordinates:
A(2,12), B(8,4)
( [blank_start]x[blank_end] . [blank_start]y[blank_end] )
Pregunta 2
Pregunta
Find the coordinates of M, the midpoint of AB, where A and B have the coordinates:
A(3.6, -2.8), B(-5, 4.5)
( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
Pregunta 3
Pregunta
Find the midpoints of each of the sides of a triangle ABC, where A is (1, 1), B is (5, 5)
and C is (11, 2).
AB - ( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
AC - ( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
BC - ( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
Pregunta 4
Pregunta
The secretary of a motocross club wants to organise two meetings on the same weekend. One is a hill climb starting from point A(3.1, 7.1) and the other is a circuit event with the start at B(8.9, 10.5), as shown on the map. Only one ambulance can be provided. The ambulance can be called up by radio, so it is decided to keep it at C, halfway between A and B.
What are the coordinates of C?
( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
Pregunta 5
Pregunta
If M is the midpoint of XY, find the coordinates of Y when X and M have the following
coordinates:
X(−4, 2), M(0, 3)
Answer: ( [blank_start]x[blank_end] , [blank_start]y[blank_end] )
Pregunta 6
Pregunta
If M is the midpoint of XY, find the coordinates of Y when X and M have the following
coordinates:
X(4, −3), M(0, −3)
Answer: ( [blank_start]x[blank_end] . [blank_start]y[blank_end] )
Pregunta 7
Pregunta
Find the coordinates of the midpoint of the line segment joining (1, 4) and (a, b), in
terms of a and b. If (5, −1) is the midpoint, find the values of a and b.
Answer:
a = [blank_start]?[blank_end]
b = [blank_start]?[blank_end]
Pregunta 8
Pregunta
Find the distance between each of the following (correct to two decimal places):
(3, 6) and (−4, 5)
Answer : approx [blank_start]?[blank_end]
Pregunta 9
Pregunta
Find the distance between each of the following (correct to two decimal places):
(6, 4) and (−7, 4)
Answer : approx [blank_start]?[blank_end]
Pregunta 10
Pregunta
Calculate the perimeter of a triangle with vertices (−3, −4), (1, 5) and (7, −2).
Answer : approx [blank_start]?[blank_end]
Pregunta 11
Pregunta
There is an off-shore oil drilling platform in Bass Strait situated at D(0, 6), where
1 unit = 5 km. Pipes for this oil drill come ashore at M(−6, 1) and N(3, −1). Assuming
the pipelines are straight, which is the shorter DM or DN?
Answer - [blank_start]?[blank_end]
Pregunta 12
Pregunta
Calculate the gradient of the line:
Answer: [blank_start]?[blank_end]
Pregunta 13
Pregunta
Calculate the gradient of the following line:
Answer - [blank_start]?[blank_end]
Pregunta 14
Pregunta
Calculate the gradient of the following line:
Answer - [blank_start]?[blank_end]
Pregunta 15
Pregunta
For the following, find the gradient of the line that passes through the two points with the given coordinates:
(5, 8), (6, 0)
Answer - [blank_start]?[blank_end]
Pregunta 16
Pregunta
For the following, find the gradient of the line that passes through the two points with the given coordinates:
(−5, 25), (−8, 64)
Answer - [blank_start]?[blank_end]
Pregunta 17
Pregunta
For the following, find the gradient of the line that passes through the two points with the given coordinates:
(5, 125), (4, 64)
Answer - [blank_start]?[blank_end]
Pregunta 18
Pregunta
Find the gradient of the straight line that passes through the points with coordinates
(5a, 2a) and (3a, 6a).
Answer - [blank_start]?[blank_end]
Pregunta 19
Pregunta
Find the gradient of the straight line that passes through the points with coordinates
(5a, 2a) and (5b, 2b).
Answer - [blank_start]?[blank_end]
Pregunta 20
Pregunta
A line has gradient 6 and passes through the points with coordinates (−1, 6) and
(7, a). Find the value of a.
Answer: a = [blank_start]?[blank_end]
Pregunta 21
Pregunta
A line has gradient −6 and passes through the points with coordinates (1, 6) and
(b, 7). Find the value of b.
Answer: b = [blank_start]?[blank_end]
Pregunta 22
Pregunta
Find the angle, correct to two decimal places, that the lines joining the given points
make with the positive direction of the x-axis:
(0, 3), (−3, 0)
Answer: [blank_start]?[blank_end] degrees
Pregunta 23
Pregunta
Find the angle, correct to two decimal places, that the lines joining the given points make with the positive direction of the x-axis:
(c, b), (b, c)
Answer: [blank_start]?[blank_end] degrees
Pregunta 24
Pregunta
Find the angle, correct to two decimal places, that the lines joining the given points make with the positive direction of the x-axis:
(0, −5), (−5, 0)
Answer = [blank_start]?[blank_end] degrees
Pregunta 25
Pregunta
Find the angle, correct to two decimal places, that the lines joining the given points make with the positive direction of the x-axis:
(−4, −2), (6, 8)
Answer = [blank_start]?[blank_end] degrees
Pregunta 26
Pregunta
Find the gradient of a straight line which is inclined at an angle of 45◦ to the positive direction of the x-axis.
Answer: [blank_start]?[blank_end]
Pregunta 27
Pregunta
State the gradient and y-axis intercept of the graph of the equation:
y = 3x + 6
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 28
Pregunta
State the gradient and y-axis intercept of the graph of the equation:
y = −x − 4
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 29
Pregunta
Find the equation of the straight line with gradient 3 and y-axis intercept 5.
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 30
Pregunta
Find the equation of the straight line with gradient 3 and y-axis intercept −4.
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 31
Pregunta
State the gradient and y-axis intercept of the graph of the equation:
3x − y = 6
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 32
Pregunta
State the gradient and y-axis intercept of the graph of the equation:
5x − 10y = 20
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 33
Pregunta
State the gradient and y-axis intercept of the graph of the equation:
2x − 6y = 10
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 34
Pregunta
Express in gradient–intercept form and hence state the gradient and y-axis intercept of the following linear relations:
2x − y = 9
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 35
Pregunta
Express in gradient–intercept form and hence state the gradient and y-axis intercept of the following linear relations:
5x − 2y = 4
m = [blank_start]?[blank_end]
c = [blank_start]?[blank_end]
Pregunta 36
Pregunta
Find the equation of the straight line that has gradient 3 and passes through the point with coordinates (6, 7).
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 37
Pregunta
Find the equation of the straight line that has gradient −2 and passes through the point with coordinates (1, 7).
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 38
Pregunta
Find the equations of the straight lines passing through the following pairs of points.
(Express your answer in gradient–intercept form.)
(−1, 4), (2, 3)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 39
Pregunta
Find the equations of the straight lines passing through the following pairs of points.
(Express your answer in gradient–intercept form.)
(5, −2), (8, 9)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 40
Pregunta
For the straight line that has y-axis intercept 6 and passes through the point with coordinates (1, 8), find:
the gradient = [blank_start]?[blank_end]
the equation = y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 41
Pregunta
Find the equation of the straight line that passes through the point (1, 6) and has
gradient 2.
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 42
Pregunta
Find the equation of the straight line that passes through the point (1, 6) and has
gradient -2.
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 43
Pregunta
Write, in the form y = mx + c, the equations of the lines which have the given gradient
and pass through the given point:
m = 2; (−1, 4)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 44
Pregunta
Write, in the form y = mx + c, the equations of the lines which have the given gradient
and pass through the given point:
m = −5; (3, 0)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 45
Pregunta
Find equations defining the lines which pass through the following pairs of points:
(2, 0), (0, 3)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 46
Pregunta
Find the equations, in the form y = mx + c, of the lines which pass through the
following pairs of points:
(−3, 0), (3, 3)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 47
Pregunta
Find the equations, in the form y = mx + c, of the lines which pass through the
following pairs of points:
(−3, 1.75), (4.5, −2)
y = [blank_start]m[blank_end]x + [blank_start]c[blank_end]
Pregunta 48
Pregunta
Do the points P(1, −3), Q(2, 1) and R(2 1/2 , 3) lie on the same straight line?
Answer - [blank_start]?[blank_end]
Pregunta 49
Pregunta
For which of the following does the line pass through the origin?
Respuesta
-
y + x = 1
-
y + 2x = 2(x + 1)
-
x + y = 0
-
x − y = 1