On the same graph paper. plot the graph of y=2x-1, y=2x and y=2x+1 form x=-2 \ to \ x=4
The graphs (lines) drawn are

intersecting but not at right angles

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forming a square

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parallel to each other

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forming a triangle and a segment.

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Solution

The correct option is C parallel to each other
$T h e g i v e n e q u a t i o n s a r e y = 2 x - 1.... (i) y = 2 x . . . . . (i i) y = 2 x + 1 f r o m x = 2 t o 4........ (i i i) H e r e x i s t h e i n d e p e n d e n t v a r i a b l e . W e a s s i g n a t l e a s t a n y v a l u e s o f x a n d o b t a i n t h e c o r r e s p o n d i n g v a l u e s o f y . x y (i) y (i i) y (i i i) 5 - 1110 1 - 32 4786111281516 - 2 - 5 - 4 - 3 - 1 - 3 - 2 - 1 23454789 N o w w e p l o t t h e m o n a g r a p h . F r o m t h e g r a p h i t i s e v i d e n t t h a t t h e l i n e s a r e p a r a l l e l . A n s - O p t i o n C .$

Suggest Corrections

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y = 2 x - 1, y = 2 x a n d y = 2 x + 1

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For each of the equations given in select the equation whose graph can be made on a graph paper

(I) x+y=0 , y=2x , y=x ,y=2x+1

2 x + 3 y = 12

x - y = 1

x

y

y = 2 x + 1

y

x = 5

x

y = 13

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