KS3 Maths Quiz
Level 7-8 Algebra - Graphs 01
When would you use a line graph?

Level 7-8 Algebra - Graphs 01

There are many aspects to algebra - quadratic equations, exponents and variables to name but a few. But what about graphs? Yes, they are also a part of algebra which you will study in KS3 Maths.

Graphs illustrate information that would be unwieldy in text form and act as visual shorthands for everyday concepts. There are many words, terms and expressions that relate to graphs. 'Intersect' and 'linear' for example. But what do they mean? If you want to understand the world of graphs then you are going to have to learn them all.

To help get you familiar with words and phrases used in graphs, we've come up with this quiz. In it we look at some of the terms you are likely to encounter. Let's see if you know what they mean. Take your time and think carefully before choosing your answers. And don't forget to read the helpful comments after each question. Good luck!

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  1. Which of these could not be shown on a 'distance-time graph'?
    Distance-time graphs are sometimes called 'travel graphs'
  2. What is the meaning of the word 'gradient'?
    You will sometimes see references to the gradient of a line in a graph. If you were walking, then a 'steep gradient' would be difficult to walk up but a 'gentle gradient' would be easy to walk up
  3. What is the word that means to cross over?
    The place where a line crosses over an axis is the place where it intersects the axis
  4. A part of a line is called what?
    Segments are between two points on a graph
  5. This is an example of coordinates on a graph: (7, -9). To what do the figures refer?
    It is just SO IMPORTANT to remember this: 'x comes before y in the alphabet and the x axis figure comes before the y axis figure'
  6. If a graph is described as 'quadratic' then what would you expect to see in the equation?
    An exponent is a small number placed to the upper-right of a number as in 32 or 45
  7. Working out the points on a graph and putting them in the right place is known as what?
    You may have heard of ships' captains 'plotting their course'. This is marking down points on a map rather than a graph, but the principle is the same
  8. When a graph is said to be 'linear' what would you expect?
    The dictionary definition of 'linear' is: arranged in or extending along a straight or nearly straight line
  9. If a curve on a graph is said to be 'symmetrical about the y axis', what would you expect?
    The word symmetry means that one half mirrors the other half
  10. What would you expect a 'conversion graph' to do?
    It might convert miles to kilometres, grams to ounces, etc.

Author: Frank Evans

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