Question

5. Determine the nature of roots of the quadratic equation (2/2+3)x² - (12 +1) X-4=0.
SECTION:B (4 X 2 =8]
II. Short Answers :
6. For which values of a and b will the following pair of linear equations have
Infinitely many solutions? X+2y =1 and (a-b) x +(a + b) y = a +b-2
7. If 2x+y -23 and 4x-y-19 find the values of 5y - 2x and
-2
х
8.A person rowing at the rate of 5 km/h in still water, takes thrice as much time In
going 40km upstream as in going 40km down stream. Find the speed of the stream.
3
9.Solve:
2
Jx
= 2
and
4 9
JX Ty
SECTION:C (3x4 =12]
HPS-GR-10-MATHS-20-21​

Answer 1

Step-by-step explanation:

5. Determine the nature of roots of the quadratic equation (2/2+3)x² - (12 +1) X-4=0.

SECTION:B (4 X 2 =8]

II. Short Answers :

6. For which values of a and b will the following pair of linear equations have

Infinitely many solutions? X+2y =1 and (a-b) x +(a + b) y = a +b-2

7. If 2x+y -23 and 4x-y-19 find the values of 5y - 2x and

-2visuoesho6w6dzfo

х

8.A person rowing at the rate of 5 km/h in still water, takes thrice as much time In

going 40km upstream as in going 40km down stream. Find the speed of the stream.

3

9.Solve:

2

Jx

= 2

and

4 9

JX Ty

SECTION:C (3x4 =12]

HPS-GR-10-MATHS-20-21