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Year 11 maths
Which relation(s) are functions?
Will the Relation please stand up!
Year 11 maths
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1
Will the Relation please stand up!
y = x2
{(2,3),(1,3),(0,4)}
{(2,1),(2,5),(0,4)}
{(2,3),(1,4),(5,6)}
2
Which relation(s) are functions?
Relation C & D
Relation A & D
Relation B & C
Only Relation B
3
Coordinate geometry
A
B
D
C
4
Coordinate geometry
B
A
C
D
5
Coordinate Geometry
C. 6
E. 36
D. 12
6
Coordinate geometry
D
B
C
A
7
Which of the following are
NOT
functions?
C & D
A & D
A & B
B & C
8
Does this graph show a relation, a function, a relation and function, or neither a relation nor function?
neither relation or function
function
relation and function
relation
9
Which relation(s) are functions?
Relation A & D
Relation C & D
Only Relation B
Relation B & C
10
Does this graph show a relation, a function, a relation and function, or neither a relation nor function?
relation and function
function
neither a relation or function
relation
11
Evaluating Functions
-1
0
11
10
12
Coordinate geometry
A
B
C
D
13
the branch of mathematics dealing with the relation of the sides and angles with the relevant functions of any angles
equilateral
tangent
trigonometry
triangle
14
Graphs of the form y = a
x
have a y-intercept at...?
0
-1
5
1
15
y=2x+1 written in the general form is...
-2x-y-1=0
2x+1=0
2x-y+1=0
y=2x+1
16
If the gradient is 3 and the y intercept is -2, then the equation in general form is:
x - 3y - 2 = 0
3x - y - 2 = 0
x + 3y - 2 = 0
3x + y - 2 =0
17
Which of the following are
NOT
functions?
C & D
A & D
A & B
B & C
18
What 3D CAD functions could be used to create a wire coat hanger?
Line, circle, fillet, extrude
Line, arc, circle, loft, fillet
Line, arc, extrude, fillet, work plane
Line, arc, fillet, work plane, circle, sweep
19
The value of which work is added in the calculation of GDP?
Housewives' works
A teacher teaching his own child
Construction of new house by an artisan
The value of resale of old shares
20
How many parent functions are there?
5
3
1
4
21
Does this graph show a relation, a function, a relation and function, or neither a relation nor function?
a relation and function
neither a relation or function
relaton
function
22
What Is A Relation
Two non-equal numbers.
Two anonymous numbers.
The connection with a function.
The pairing of two quantities as ordered numbers.
23
Which Relation is
Not
a function
Neither Are functions
Relation B
Relation A
24
Coordinate geometry
D
B
C
A
25
Does this graph show a relation, a function, a relation and function, or neither a relation nor function?
relation
function
neither a realtion or function
relation and function
26
Which relation(s) are functions?
Only Relation B
Relation B & C
Relation C & D
27
Coordinate geometry
C
B
D
A
28
Identify all lines with positive gradients
black and green
red and green
red
all of them
29
Coordinate geometry
D
A
C
B
30
Coordinate Geometry
(9,-1)
(6,2)
(-7,-2)
(3,8)
31
Coordinate geometry
A
B
D
C
32
Coordinate Geometry
F. 3pi
H. 36pi
G. 12pi
33
Which relation(s) are functions?
Relation A & D
Relation B & C
Relation C & D
Only Relation B
34
Last question...coordinate geometry...
( 13 , 10 )
( 7 , - 2 )
( 13 , - 2 )
( - 13 , - 2 )
35
Exponential Functions
y-int = 3, y ≠ 3.7
y-int = 5, y ≠ 3
y-int = -1, y ≠ 3
y-int = 3.7, y ≠ 3
36
Which relation(s) are functions?
Relation B & C
Relation A & D
Only Relation B
Relation C & D
37
Coordinate geometry
A
C
D
B
38
x+y+10=0 written in gradient-intercept form is
y=-x-10
y=x-10
y=x+10
=-x+10
39
Which of the following are linear functions?
B Only
A & D
B & C
C Only
40
The
Point-slope equation
for this functions is ...
𝒚 − 2 = 3( 𝒙 − 3)
𝒚 − 𝒚1 = m( 𝒙 − 𝒙1)
Ax + By = C
𝒚 − 𝒚1 = 3( 𝒙 − 3 )
41
All functions are relations
False
True
42
Linear Functions (Calculators Allowed)
B
A
D
C
43
Geometry
quadrilateral, trapezoid
rectangle, rhombus
trapezoid, rectangle
rhombus, quadrilateral
44
Geometry
rectangle, rhombus
trapezoid, rectangle
quadrilateral, trapezoid
rhombus, quadrilateral
45
Which of the following are linear functions?
B Only
B & C
C Only
A & D
46
Write in General form: y=x+2
x+y+3=0
x-y+2=0
x-x+3=0
47
Lines are perpendicular if they intercept at 90
o
, their gradients are negative recipricals
done
done
48
Coordinate geometry
D
A
C
B
49
A function is different from a relation.
False
True
50
If the gradient is 3 and the y intercept is -2, then the equation in general form is:
3x - y - 2 = 0
3x + y - 2 =0
x + 3y - 2 = 0
x - 3y - 2 = 0
51
The product of the gradients of 2 perpendicular lines is...?
-1
-1/2
90o
1
52
What is the y intercept to the equation y=2x-1?
1
-2
-1
2
53
A mathematical calculation using +,-,x or / is called a _____?
equation
function
formula
operation
54
Which of the following are
NOT
functions?
A & D
B & C
C & D
A & B
55
Does this graph show a relation, a function, a relation and function, or neither a relation nor function?
function
relation
neither a relation or function
reation and function
