Question

Draw the graph of the equation x+2y-3=0. From your graph, find the value of y when
(i) x=5
(ii) x=(-5)​

Answer 1

Answer:

Answer

Correct option is

A

x=−3

Thegivenequationisx+2y−3=0⟹y=

2

−x+3

Herexistheindependentvariable.We

assignany4valuesofxandobtainthe

correspondingvaluesofy.

x=−9⟶y=6,

x=−5⟶y=4,

x=7⟶y=−2.

x=9⟶y=−3

Sotheorderedpairesofvaluesof

(x,y)=(−9,6),(−5,4),(7,−2)&(9,−3)

Nowweplotthemonagraph.

Fromthegraphthevalueofx,wheny=3,is−3.

Ans−OptionA.

solution