1 0r4 and 3432 2 4r5 and 232 3 0r4 and 02 4 0r4 and 034

?  1. 0r4 and 3/43/2

?  2. 4r5 and /23/2

?  3. 0r4 and 02

?  4. 0r4 and 03/4

?  5. 4r5 and 02

?  6. 0r4 and /23/4

?  7. 4r5 and /2/2

?  8. 0r5 and 3/22

Match each pair of inequalities with the graph of the polar region it describes. ?  1. 0r4 and 3/43/2 ?  2. 4r5 and /23/2 ?  3. 0r4 and 02 ?  4. 0r4 and 03/4 ?  5. 4r5 and 02 ?  6. 0r4 and /23/4 ?  7. 4r5 and /2/2 ?  8. 0r5 and 3/22

A B C D E F G H

Solution

1) 0r4 and 3/43/2

as graph is between 2 and 3 rd quadrant

figure E

2) 4r5 and /23/2

graph is between 2 (complete) and 3 (complete quadrant

strip of r= 5-4

figure C

3)0r4 and 02

circle of radisu = 4 and all 4 quadrants

figure A

4) 0r4 and 03/4

cirle from 1st to upto 2nd quadratnt (angle 3pi/4)

figure D

5) 4r5 and 02

strip of r= 5-4 complete in all 4 quadrants

figure B

6) 0r4 and /23/4

circle from IVrt quad----> 2 nd quad(upto angle 3pi/4)

figure D

7)4r5 and /2/2

strip from IVrt quad---->Ist quad

Figure F

8) 0r5 and 3/22

circle in 4rh quadrant

Figure H