English

Decide Which of the Following Statements is True and Which is False. Give Reasons for Your Answer. a Point Whose Y-coordinate is Zero, Will Lie on X-axis. - Mathematics

Advertisements
Advertisements

Question

Decide which of the following statements is true and which is false. Give reasons for your answer.

A point whose y-coordinate is zero, will lie on x-axis.

Answer in Brief
Advertisements

Solution

The examples of points having y-coordinate as zero are (3,0), (6,0), (9,0). This can be represented in the following manner:

From figure above, it can be seen that these points lie on the x-axis. Hence, the statement is true.

shaalaa.com
  Is there an error in this question or solution?
Chapter 27: Introduction to Graphs - Exercise 27.1 [Page 7]

APPEARS IN

RD Sharma Mathematics [English] Class 8
Chapter 27 Introduction to Graphs
Exercise 27.1 | Q 7.2 | Page 7

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

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

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


In the given figure the position of the book on the table may be given by ______.


Write the x-coordinate (abscissa) of the given point.

(0, 5)


If y-coordinate is 3 times x-coordinate, form a table for it and draw a graph.


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

Side (in cm) 1 2 3 4
Area (in cm2) 1 4 9 16

Is it a linear graph?


Find the coordinates of the vertices of the given figures.


The table shows the data collected for Dhruv’s walking on a road.

Time
(in minutes)
0 5 10 15 20 25
Distance
(in km)
0 0.5 1 1.25 1.5 1.75
  1. Plot a line graph for the given data using a suitable scale.
  2. In what time periods did Dhruv make the most progress?

This graph shows the per cent of students who dropped out of school after completing High School. The point labelled A shows that, in 1996, about 4.7% of students dropped out.

  1. In which year was the dropout the rate highest? In which year was it the lowest?
  2. When did the per cent of students who dropped out of high school first fall below 5%?
  3. About what per cent of students dropped out of high school in 2007? About what per cent of students stayed in high school in 2008?

This graph shows a map of an island just off the coast of a continent. The point labelled B represents a major city on the coast. The distance between grid lines represents 1 km.

Point A represents a resort that is located 5 km East and 3 km North of Point B. The values 5 and 3 are the coordinates of Point A. The coordinates can be given as the ordered pair (5, 3), where 5 is the horizontal coordinate and 3 is the vertical coordinate.

(i) On a copy of the map, mark the point that is 3 km East and 5 km North of Point B and label it S. Is Point S in the water or on the island? Is Point S in the same place as Point A?

(ii) Mark the point that is 7 km east and 5 km north of Point B and label it C. Then mark the point that is 5 km east and 7 km north of Point B and label it D. Are Points C and D in the same place? Give the coordinates of Points C and D.

(iii) Which point is in the water, (2, 7) or (7, 2)? Mark the point which is in water on your map and label it E.

(iv) Give the coordinates of two points on the island that are exactly 2 km from Point A.

(v) Give the coordinates of the point that is halfway between Points L and P.

(vi) List three points on the island with their x-coordinates greater than 8.

(vii) List three points on the island with a y-coordinate less than 4.


Sonal and Anmol made a sequence of tile designs from square white tiles surrounding one square purple tile. The purple tiles come in many sizes. Three of the designs are shown below.

(a) Copy and complete the table

Side Length of Purple Titles 1 2 3 4 5 10 100
Number of white Tiles
in Border
             

(b) Draw a graph using the first five pairs of numbers in your table.

(c) Do the points lie on a line?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×