Draw the graphs of the lines x-y=1 and 2x+y=8. Shade the area formed by two lines and the y-axis. Also,find the area.
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AND ESKA ANSWER HAI 13.5 SQ.UNIT. is the answer of this question.
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Answers
Answered by
466
Write the equation x-y=1 as
y = x - 1
and the equation 2x+y=8 as
y = -2x + 8
Choose any two value of x and use them to calculate the values of x.
Plot these points for both lines and join them using a straight line.
See the attached image
The two lines and the y-axis for a triangle with base = 9 units and height = 3 units
Area of triangle = 1/2 base x eight
= 1/2 x 9 x 3
= 13.5 sq. units
y = x - 1
and the equation 2x+y=8 as
y = -2x + 8
Choose any two value of x and use them to calculate the values of x.
Plot these points for both lines and join them using a straight line.
See the attached image
The two lines and the y-axis for a triangle with base = 9 units and height = 3 units
Area of triangle = 1/2 base x eight
= 1/2 x 9 x 3
= 13.5 sq. units
Attachments:
i cannot understand the graph
Answered by
393
plz see the answer in my attachment
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