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Exercises in Chapter 12 introduction to graphs Grade 8

Questions in Introduction to Graphs - Exercise

Which graphs of the following represent the table below?

Length of Side of a Square | Perimeter |
---|---|

1 | 4 |

2 | 8 |

3 | 12 |

4 | 16 |

5 | 20 |

Match the coordinates given in Column A with the items mentioned in Column B.

Column A | Column B |
---|---|

1) (0, 5) | (a) y coordinate is 2 × x - coordinate + 1. |

(2) (2, 3) | (b) Coordinates of origin. |

(3) (4, 8) | c) Only y–coordinate is zero. |

(4) (3, 7) | (d) The distance from x –axis is 5. |

(5) (0, 0) | (e) y coordinate is double of x –coordinate. |

(6) (5, 0) | (f) The distance from y–axis is 2. |

Make a line graph for the area of a square as per the given table

Side (in cm) | Area (in cm2) |
---|---|

1 | 1 |

2 | 4 |

3 | 9 |

4 | 16 |

Is it a linear graph?

Complete the given tables and draw a graph for each.

(a)

X | Y= 3x+1 |
---|---|

0 | 1 |

1 | 4 |

2 | - |

3 | - |

(b)

X | Y= x-1 |
---|---|

1 | 0 |

2 | - |

4 | - |

6 | - |

Study the given graphs (a) and (b) and complete the corresponding tables below

(a)

X | Y |
---|---|

0 | - |

1 | - |

2 | - |

3 | - |

(b)

X | Y |
---|---|

0 | - |

1 | - |

2 | - |

3 | - |

4 | - |

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