Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

Find and correct the errors in the statement: (y − 3)² = y² − 9

Find and correct the errors in the statement: (z + 5)² = z² + 25

Find and correct the errors in the statement: (2a + 3b) (a − b) = 2a² − 3b²

Find and correct the errors in the statement: (a + 4) (a + 2) = a² + 8

Find and correct the errors in the statement: (a − 4) (a − 2) = a² − 8

Find and correct the errors in the statement: `(3x^2)/(3x^2) = 0`

Find and correct the errors in the statement: `(3x^2 + 1)/(3x^2) = 1 + 1 = 2`

Find and correct the errors in the statement: `(3x)/(3x + 2) = 1/2`

Find and correct the errors in the statement : `3/(4x + 3) = 1/(4x)`

Find and correct the errors in the statement:  `(4x + 5)/(4x) = 5`

Find and correct the errors in the statement: `(7x + 5)/5 = 7x`

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

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

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

P(1, 1), Q(2, 2), R(3, 3), S(4, 4)

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)

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.

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

State whether True or False. Correct those are false.

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

State whether True or False. Correct those are false.

A point whose y coordinate is zero and x-coordinate is 5 will lie on y-axis.

State whether True or False. Correct those are false.

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

The sum of two rational numbers is −8. If one of the numbers is\[\frac{- 15}{7},\] find the other.