Q1 of 39 Page 157

The y-coordinate of the point of intersection of the line y =3x + 4 with x =3 is _______

Putting x=3 in y=3x+4,


we get,


y=3 × 3 + 4


⇒ y = 13

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1

The signs of the coordinates of a point in the third quadrant are ____________

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If a person moves either 1 unit in the direction of positive x-axis or 1 unit in the direction of positive y-axis per step, then the number of steps he requires to reach (10,12) starting from the origin (0,0) is ________

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The equation of the line which passes through (0,0) and (1,1) is __________

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Find the quadrant in which the following points lie:

(i) (5, 10);


(ii) (−8, 9);


(iii) (−800, −3000);


(iv) (8, −100).