NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.2 are part of NCERT Solutions for Class 8 Maths. Here we have given NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.2.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 8 |

Subject |
Maths |

Chapter |
Chapter 15 |

Chapter Name |
Introduction to Graphs |

Exercise |
Ex 15.2 |

Number of Questions Solved |
4 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.2

**Question 1.**

Plot the following points on a graph sheet. Verify if they lie on a line.

**(a)** A(4, 0), B(4, 2), C(4, 6), D(4, 2.5)

**(b)** P(l, 1), Q(2, 2), R(3, 3), S(4, 4)

**(c)** K(2, 3), L(5, 3), M(5, 5), N(2, 5)

**Solution.**

**(a)** The points lie on a line.

**(b)** The points lie on a line.

**(c)** The points do not lie on a line.

**Question 2.**

Draw the line passing through (2, 3) and (3, 2). Find the coordinates of the points at which this line meets the x-axis and y-axis.

**Solution.**

The coordinates of the points at which this line meets the x-axis and y-axis are (5, 0) and (0, 5) respectively. See the graph given above.

**Question 3.**

Write the coordinates of the vertices of each of these adjoining figures.

**Solution.**

O → (0, 0)

A → (2,0)

B → (2, 3)

C → (0,3)

P → (4, 3)

Q → (6, 1)

R → (6, 5)

S → (4, 7)

K → (10, 5)

L → (7, 7)

M → (10, 8)

**Question 4.**

**State whether True or False. Correct that is false.**

**(i)** A point whose x-coordinate is zero and y-coordinate is non-zero will lie on the y-axis.

**(ii)** A point whose y-coordinate is zero ‘ and x-coordinate is 5 will lie on y-axis.

**(iii)** The coordinates of the origin are (0, 0).

**Solution.**

**(i)** True

**(ii)** False; A point whose y-coordinate is zero and x-coordinate is 5 will lie on x-axis.

**(iii)** True

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