Q2 of 7 Page 211

Draw a triangle whose sides are represented by x = 0, y = 0, and x + y = 3.

X = 0 ⇒ y axis


Y = 0 ⇒ x axis


For x + y = 3


Let us plot points by putting value of x and obtaining the value of y from the equation:


X + y = 3


Y = 3 – x


At x = 0, y = 3 – 0 = 3


At x = 3, y = 3 – 3 = 0


At x = 1, y = 3 – 1 = 2


At x = 2, y = 3 – 2 = 1



Plotting the above point we get the following triangle



More from this chapter

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1

The harmonic conjugate of (4, 1) with respect to the points (3, 2) and (–1, 6) is …

 3

Express y in terms of x given that 2x–5y = 7. Check whether the point (–3 –2) is on the given line.

 4

Each side of a square is of length 6 units and the centre of the square is (–1 2). One of its diagonals is parallel to x + y = 0. Find the coordinates of the vertices of the square.

 5

The area of triangle formed by the line with the coordinate axes is-

a) ab


b)2ab


c)1/2ab


d)2/2ab