Resources tagged with Graphs similar to System Speak:
Other tags that relate to System Speak
Polynomial functions and their roots. Expanding and factorising quadratics. Mathematical reasoning & proof. Creating and manipulating expressions and formulae. Simultaneous equations. Inequalities. Generalising. Graphs. Investigations. Factors and multiples.There are 44 results
Broad Topics > Functions and Graphs > Graphs
Matchless
Age 14 to 16 Challenge Level:
There is a particular value of x, and a value of y to go with it, which make all five expressions equal in value, can you find that x, y pair ?
Three Ways
Age 16 to 18 Challenge Level:
If x + y = -1 find the largest value of xy by coordinate geometry, by calculus and by algebra.
Interpolating Polynomials
Age 16 to 18 Challenge Level:
Given a set of points (x,y) with distinct x values, find a polynomial that goes through all of them, then prove some results about the existence and uniqueness of these polynomials.
Without Calculus
Age 16 to 18 Challenge Level:
Given that u>0 and v>0 find the smallest possible value of 1/u + 1/v given that u + v = 5 by different methods.
Real(ly) Numbers
Age 16 to 18 Challenge Level:
If x, y and z are real numbers such that: x + y + z = 5 and xy + yz + zx = 3. What is the largest value that any of the numbers can have?
After Thought
Age 16 to 18 Challenge Level:
Which is larger cos(sin x) or sin(cos x) ? Does this depend on x ?
Climbing
Age 16 to 18 Challenge Level:
Sketch the graphs of y = sin x and y = tan x and some straight lines. Prove some inequalities.
Which Is Cheaper?
Age 14 to 16 Challenge Level:
When I park my car in Mathstown, there are two car parks to choose from. Can you help me to decide which one to use?
Four on the Road
Age 14 to 16 Challenge Level:
Four vehicles travel along a road one afternoon. Can you make sense of the graphs showing their motion?
Graphical Interpretation
Age 14 to 16 Challenge Level:
This set of resources for teachers offers interactive environments to support work on graphical interpretation at Key Stage 4.
Steve's Mapping
Age 16 to 18 Challenge Level:
Steve has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?
Which Is Bigger?
Age 14 to 16 Challenge Level:
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
Cubic Spin
Age 16 to 18 Challenge Level:
Prove that the graph of f(x) = x^3 - 6x^2 +9x +1 has rotational symmetry. Do graphs of all cubics have rotational symmetry?
Mathsjam Jars
Age 14 to 16 Challenge Level:
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Lap Times
Age 14 to 16 Challenge Level:
Can you find the lap times of the two cyclists travelling at constant speeds?
Exploring Cubic Functions
Age 14 to 18 Challenge Level:
Quadratic graphs are very familiar, but what patterns can you explore with cubics?
Parabolas Again
Age 14 to 18 Challenge Level:
Here is a pattern composed of the graphs of 14 parabolas. Can you find their equations?
Ellipses
Age 14 to 18 Challenge Level:
Here is a pattern for you to experiment with using graph drawing software. Find the equations of the graphs in the pattern.
More Parabolic Patterns
Age 14 to 18 Challenge Level:
The illustration shows the graphs of twelve functions. Three of them have equations y=x^2, x=y^2 and x=-y^2+2. Find the equations of all the other graphs.
Parabolic Patterns
Age 14 to 18 Challenge Level:
The illustration shows the graphs of fifteen functions. Two of them have equations y=x^2 and y=-(x-4)^2. Find the equations of all the other graphs.
Power Up
Age 16 to 18 Challenge Level:
Show without recourse to any calculating aid that 7^{1/2} + 7^{1/3} + 7^{1/4} < 7 and 4^{1/2} + 4^{1/3} + 4^{1/4} > 4 . Sketch the graph of f(x) = x^{1/2} + x^{1/3} + x^{1/4} -x
Motion Sensor
Age 14 to 16 Challenge Level:
Looking at the graph - when was the person moving fastest? Slowest?
What's That Graph?
Age 14 to 16 Challenge Level:
Can you work out which processes are represented by the graphs?
Electric Kettle
Age 14 to 16 Challenge Level:
Explore the relationship between resistance and temperature
Guess the Function
Age 16 to 18 Challenge Level:
This task depends on learners sharing reasoning, listening to opinions, reflecting and pulling ideas together.
Immersion
Age 14 to 16 Challenge Level:
Various solids are lowered into a beaker of water. How does the water level rise in each case?
Maths Filler 2
Age 14 to 16 Challenge Level:
Can you draw the height-time chart as this complicated vessel fills with water?
Whose Line Graph Is it Anyway?
Age 16 to 18 Challenge Level:
Which line graph, equations and physical processes go together?
Perpendicular Lines
Age 14 to 16 Challenge Level:
Position the lines so that they are perpendicular to each other. What can you say about the equations of perpendicular lines?
Curve Match
Age 16 to 18 Challenge Level:
Which curve is which, and how would you plan a route to pass between them?
Surprising Transformations
Age 14 to 16 Challenge Level:
I took the graph y=4x+7 and performed four transformations. Can you find the order in which I could have carried out the transformations?
Real-life Equations
Age 16 to 18 Challenge Level:
Here are several equations from real life. Can you work out which measurements are possible from each equation?
Golden Construction
Age 16 to 18 Challenge Level:
Draw a square and an arc of a circle and construct the Golden rectangle. Find the value of the Golden Ratio.
Gosh Cosh
Age 16 to 18 Challenge Level:
Explore the hyperbolic functions sinh and cosh using what you know about the exponential function.
On the Road
Age 14 to 16 Challenge Level:
Four vehicles travelled on a road. What can you deduce from the times that they met?
Parabella
Age 16 to 18 Challenge Level:
This is a beautiful result involving a parabola and parallels.
Bio Graphs
Age 14 to 16 Challenge Level:
What biological growth processes can you fit to these graphs?
Graphic Biology
Age 16 to 18 Challenge Level:
Several graphs of the sort occurring commonly in biology are given. How many processes can you map to each graph?
Exponential Trend
Age 16 to 18 Challenge Level:
Find all the turning points of y=x^{1/x} for x>0 and decide whether each is a maximum or minimum. Give a sketch of the graph.
Small Steps
Age 16 to 18 Challenge Level:
Two problems about infinite processes where smaller and smaller steps are taken and you have to discover what happens in the limit.
Bus Stop
Age 14 to 16 Challenge Level:
Two buses leave at the same time from two towns Shipton and Veston on the same long road, travelling towards each other. At each mile along the road are milestones. The buses' speeds are constant. . . .
NRICH is part of the family of activities in the Millennium Mathematics Project.