Answer the following
1. Write any four solutions
for each of the following equations.
(a) 5x-2=0
(b) 3x+y=7
(c) 3x+4y=12
2. If (3,1) is a solution of
the equation 3x+2y=k, find the value of
k
3. Anu is driving her car with
a uniform speed of 80 km/hr. Draw the time distance graph. From the graph find the
distance travelled by her in i)2 1/2 hrs ii) 4 hrs
4. Draw the graph of the
equation 6x+5y-28=0 and
check whether the point (2,3) lies on the line
5. The taxi fare in a city is
as follows: For the first kilometer, the fare is Rs. 8 and for
the subsequent distance it is Rs. 5 per km. Taking the distance covered as x km and total fare as Rs. y, writes a linear equation for this information, and draw its graph.
the subsequent distance it is Rs. 5 per km. Taking the distance covered as x km and total fare as Rs. y, writes a linear equation for this information, and draw its graph.
6. At what point
does the graph of the linear equation x + y = 5 meet a line which is parallel to y-axis, at a distance 2
units from the origin and in positive direction of x-axis?
7. Find the value of m if (-1,
1) is a solution of the equation 3x-my=5
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