Maths Grade 11

(2x - 7)(2x - 7)

(2x +7)(2x-7)

(7 +2x)(7 - 2x)

(7 - 2x)(7- 2x)

A triangle with all sides equal.

A triangle with 2 sides and 2 angles equal.

A triangle with 3 different sides.

None of the above.

$$x=2$$  

$$y=-3$$  

$$x=-2$$  

$$y=3$$  

$$x=2$$  

$$y=3$$  

$$x=-2$$  

$$y=-3$$  

$$x=\frac{4+y}{2y-3}$$  

$$x=\frac{4-y}{2y-3}$$  

$$x=\frac{2y-3}{4+y}$$  

$$x=\frac{4+y}{2y+3}$$  

hexagon

pentagon

octagon

heptagon

2

-2

$$\frac{2}{3}$$  

$$\frac{-2}{3}$$  

$$x=2.22\ or\ x=\ 0.28$$  

$$x=2.28\ or\ x=0.22$$  

$$x=-2.28\ or\ x=-0.22$$  

$$x=-2.28\ or\ x=0.22$$  

12 cm

15 cm

16 cm

10 cm

13 units

12 units

15 units

14 units