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When it comes to graphs, you'll need to know an exponent from a coordinate. Fed up of algebra? Sick of graphs? We have some great news for you! This is the last Math quiz in this series on graphs. It tests more complicated aspects of the world of graphs.

Go on, give it a whirl and see how much you have learned so far.

1.

Which of these equations would give the steepest gradient?

y = x

y = 2x

y = 3x

y = 4x

In the correct answer, each movement of a unit along the x axis means a movement of 4 units up the y axis

2.

Two coordinates of a line are as follows: (3, 21) and (2, 14). How might the line best be described?

It has a positive gradient

It has a negative gradient

It is horizontal

It is vertical

Lines that slope from the bottom left to the top right have a positive gradient. If you cannot imagine a line then plot it to see what it looks like

3.

Which of these equations would give the steepest gradient?

y = x

y = x + 1

y = x + 2

All the above are the same gradient

If all the lines were plotted on the same graph they would run parallel to each other

4.

Two coordinates of a line are as follows: (3, 12) and (2, 8). What is the equation?

y = 2x

y = 4x

y = 6x

y = 8x

If you plot the coordinates you will see that for every unit moved along the x axis, you move 4 units up the y axis. Working out an equation in this way has the grand name of the 'gradient-intercept' method

5.

If a graph equation contains an exponent then what could you definitely say about the line?

It is very long

It is very short

It is straight

It is curved

Remember an exponent is the small number to the upper-right of another number. As soon as you see one of these in an equation you should expect a curve

6.

On a distance-time graph what does a line segment that is horizontal tell you?

The data is incorrect

The distance traveled was slowing down

The distance traveled was speeding up

There was no movement during the period

7.

If a graph equation contains only the signs of plus, minus and equals then what could you definitely say about the line?

It is very long

It is very short

It is straight

It is curved

8.

What is the mid point of the line (1, 9) (5, 15)

(1, 15)

(3, 12)

(6, 24)

(9, 15)

Take the first number in the first bracket and add it to the first number in the second bracket and divide the answer by two - gives you 3. Then do the same for the second numbers in the brackets and you will get 12

9.

Two coordinates of a line are as follows: (2, 15) and (6, 10). How might the line best be described?

It has a positive gradient

It has a negative gradient

It is horizontal

It is vertical

It is worth remembering that you can have both positive and negative gradients in ANY quadrant

10.

Which of these graphs would give you the most shallow gradient?

y = 3x - 1

y = 4x - 1

y = 5x - 1

y = 6x -1

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