1011001

1100101

1000101

1010101

$x^2+y^2-4x+14y=0$

$x^2+y^2+ 4x-14y=0$

$x^2+y^2 + 4x +14 y =0$

${x}^2+y^2-4x-14y =0$

2x -3y =0

3x -3y =0

2x -7y =0

9x + 7y =0

0

-2i

2i

2

( 3,2)

(5,5 )

(6,-6)

(6,9)

(3, -4)

(-3,4)

(-3,-4)

(3,4)

$\frac{3}{8}sq.units$

$\frac{8}{3}sq. units$

3 sq.units

8 sq. units

1

$\frac{3}{5}$

$\frac{5}{3}$

$\frac{4}{5}$

-4,6

-6,4

4,6

-6,-4

3x + 7 y -13=0

7x + 3y -13 = 0

7x + 3y +13 = 0

7x -3y -13=0

$\frac{1}{2}$

$\frac{4}{5}$

$\frac{3}{20}$

$\frac{7}{20}$

-4

4

-3

3

25 m

50 m

20 m

30 m

$2\sqrt{\tan x }$

$\sqrt{\tan }x1n\left({\cos }^{2}x\right)$

$\sin x\sqrt{\tan }x$

$\frac{2}{3} (\tan x) \frac{3}{2}$

1

0

$\frac{1}{2}$

does not exist

$x^2+5$

$2x^2 + 7$

$2x^2-3$

$x^2-5$

6 +i

8

5

9 + 2i

$x^2-5x+6=0$

$3x^2-2x+1=0$

$x^2-3x+2 =0$

$2x^2 - 3x +1=0$

0

-1

1

$\frac{1}{2}$

4xyz

$x^{2}yz$

$x{y}^{2}z$

$xy{z}^2$

$(\frac{6}{-15} \frac{0}{-3})$

$(\frac{3}{2} \frac{-1}{-5})$

$(\frac{1}{-2} \frac{0}{15})$

$(\frac{1}{0} \frac{-5}{-2})$

360

160

410

455

2x + 3y -13=0

4x + 3y -17=0

3x + 4y + 17 = 0

3x + 4y -17 =0

$\frac{1}{2}$

$\frac{5}{11}$

$\frac{6}{11}$

$\frac{3}{5}$

180

280

90

360

$\frac{1}{3}<x or x <1$

$x> 2 or \frac{1}{2}$

$x>1$

$x<3 or x>1$

4 uints

1 unit

$\sqrt{34} units$

2 units

$\frac{n\mathrm{\pi }}{4}$

$\frac{n\mathrm{\pi }}{2}$

$\frac{(4n+1)\mathrm{\pi }}{8}$

$\frac{(4n+1)\mathrm{\pi }}{2}$

$28 g N_2$

$4 g H_2$

$17 g N{H}_3$

$4 g He$

$\frac{\pi }{2}$

$\frac{{\pi }^2}{8}$

$\frac{{\pi }^2}{4}$

$\frac{{\pi }^2}{16}$