#### Public Repeated Graphs Test

10th Standard

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Maths

Time : 01:00:00 Hrs
Total Marks : 100
10 x 10 = 100
1. Solve the equation ${ x }^{ 2 }-2x-3=0$ graphically.

2. Solve graphically $2{ x }^{ 2 }+x-6=0$

3. Draw the graph of $y={ x }^{ 2 }+2x-3$ and hence find the roots of ${ x }^{ 2 }-x-6=0$

4. Draw the graph of  $y={ 2x }^{ 2 }+x-6$ and hence solve $2{ x }^{ 2 }+x-10=0$

5. A bank gives 10% S.I on deposits for senior citizens. Draw the graph for the relation between the sum deposited and the interest earned for one year. Hence find
(i) the interest on the deposit of  650
(ii) the amount to be deposited to earn an interest of  45.

6. A bus travels at a speed of 40 km / hr. Write the distance-time formula and draw the graph of it. Hence, find the distance travelled in 3 hours.

7.  x 1 3 5 7 8 y 2 6 10 14 16

Draw the graph for the above table and hence find
(i) the value of y if x = 4
(ii) the value of x if y = 12

8. Draw the Graph of xy=20,x,y,>0.  Use the graph to find y when x=5 and to find x when y=10.

9. Draw the graph of y = 2x2 + 7x - 9.

10. Draw the graph of y = 2x2 and hence find the roots of the equation 2x2+x-10=0.