3
votes
1answer
28 views
Transformations required to obtain the graph
State the translation T a.b required to obtain the graph with the first equation to that with the second equation.
a. y = 1/4 x2 → y = 1/4x2 - x + 2
b. y = 1/3 x3 → y …
2
votes
2answers
48 views
Engage Tutoring
I am in year 11 and I am wondering if i could do 'Engage Tutoring' as its for year 12, so I wanted to know if i could still go there and get tutored for both year 11 and 12 subject …
3
votes
1answer
24 views
Should I draw arrows at the end of curves that aren’t straight?
Can you draw arrows on the ends of graphs that 'curve' since doing so would invalidate the fact that they are curvy (not straight) in the undrawn region (since you cannot draw curv …
3
votes
3answers
45 views
What does f: R --> R mean?
What does this mean?
f: R → R
f means function
R means the real number field
Or, so I thought...
2
votes
1answer
31 views
Why don’t fractions ruin graphs?
Why doesn't the range of x values from 0 to 1 and from -1 to 0 screw up the sketching of graphs?
When fractions are squared, they return lower y values than the original x value.
…
2
votes
1answer
34 views
The interrelated and different ways to describe a dilation
I am having some difficulty understanding the concept of dilation of x values.
As I understand it, the following summarizes 'transformations' in terms of x.
f(2x)
dila …
1
vote
1answer
29 views
Describing dilations from 1/x
y = 1 / [ (1/4)(x-3) ]
The dilation here, is apparently 4
Meanwhile:
(1/4)(x-3)
This has a dilation of 1/4
When describing transformations from 1/x, why is the first s …
3
votes
1answer
28 views
Can simultaneous equations have an infinite number of solutions?
Can simultaneous equations have an infinite number of solutions?
2
votes
0answers
23 views
How would you perform matrix transformations to non-linear graphs?
How would you you apply matrix transformations that adjust the 'axis' using trigonometric values - to quadratics and all sorts of graphs other than the 'linear' graphs that are dea …
3
votes
3answers
36 views
How to get more practice for methods/further tests?
Hey, I'm doing Methods AND Further 3/4 this year and I do every question in every exercise carefully but come exam time, I'm still not getting those 100%'s I'm aiming for.
Are the …
2
votes
0answers
20 views
Converting from functions to matrices
Is this the 'answer' before you have put it into a CAS calculator for this question (since working out is not provided in the book)
Question:
f(x) = 2 g(x-2) + 1 and g(x) = sqrt …
2
votes
2answers
39 views
Finding the coefficient of y^4
Find the co-efficient of y4 in the expansion of (y+3)3(2-y)5
2
votes
1answer
42 views
Mathematical methods or further mathematics
In choosing between Mathematical Methods and Further Maths, what considerations should a student take into account?
2
votes
1answer
22 views
How to draw hyperbolas?
I can draw normal hyperbolas fine (in the form of y=a/(x-b)+c)
What i have trouble with, is when the 'a' has an x value in it
For example, how would i draw;
y= (x+3) / (x-2)?
1
vote
1answer
14 views
Sides of structure modelled by the equation of a Truncus.
Hey, I'm a bit stumped on this one, any help appreciated, thanks in advance!
The cross-section of a theme park ride
has a central structure as shown
below.
The sides of …
