English Medium इयत्ता ९ - CBSE Question Bank Solutions

If `f(x) = 2x^2 - 13x^2 + 17x + 12` find f(2)

If f(x) = 2x² - 13x² + 17x + 12 find f(-3).

If `f(x)=2x^2-13x^2+17x+12` find `f(0)`

If `x = 2` is a root of the polynomial `f(x) = 2x<sup>2</sup> – 3x + 7a` find the value of a.

Draw the graph of the equation 2x + 3y = 12. From the graph, find the coordinates of the
point: (i) whose y-coordinates is 3. (ii) whose x-coordinate is −3.

Draw the graphs of the linear equations 4x − 3y + 4 = 0 and 4x + 3y − 20 = 0. Find the area
bounded by these lines and x-axis.

Give the geometric representation of the following equation
(a) on the number line    (b) on the Cartesian plane  :  y + 3 = 0

Give the geometric representation of the following equation
(a) on the number line   (b) on the Cartesian plane :   y = 3

Give the geometric representation  of the following equation
(a) on the number line    (b) on the Cartesian plane :   2x + 9 = 0 

Give the geometric representation of the following equation
(a) on the number line     (b) on the Cartesian plane :   3x – 5 = 0

Give the geometrical representation of 2x + 13 = 0 as an equation in one variable .

Give the geometrical representation of 2x + 13 = 0 as an equation in two variables . 

Solve the equation 3x + 2 = x − 8, and represent the solution on the
Cartesian plane .

Write the equation of the line that is parallel to x-axis and passing through the point  (0, 3) .

Write the equation of the line that is parallel to x-axis and passing through the point   (0, -4) .

Write the equation of the line that is parallel to x-axis and passing through the point  (2, -5) . 

Write the equation of the line that is parallel to x-axis and passing through the point  (3, 4) .

Write the equation of the line that is parallel to y-axis and passing through the point  (4, 0) .

Write the equation of the line that is parallel to y-axis and passing through the point  (−2, 0 ) .