Optional Maths

IF (x, 3) and (2, y+2) are two equal ordered pairs,Find the value of x and y.

• x = 2 and y = 1

• x = 1 and y = 2

• x = 3 and y = 2

• x = 4 and y = 2

IF f(x) = $2x^2\ +3x\$  and g(x) =  $x^2\ +\ 3x$ . Find the value of f(x) + g(x).

•  $3x^2+6x$  

•  $2x^2+9x$  

•  $3x^2+9x$  

•  $2x^2+6x$  

Find the distance between the following points.

•  $\sqrt{40}$  units

•  $\sqrt{36}$  units

•  $\sqrt{30}$  units

•  $\sqrt{60}$  units

find the value of AC.

what is the value of sin 30 ?

• $\frac{1}{2}$

• $\frac{1}{4}$

• $\frac{\sqrt{3}}{2}$

• $\sqrt{3}$

If A(1, 2) and B(7,10) are any two points, find the components of  $\overrightarrow{AB}$  .

• (6, 8)

• (8, 6)

• (3, 4)

• (5, 6)

Find the magnitude of $\overrightarrow{AB}$  = (3, 4).

• 5 units

• 3 units

• 1 units

• 4 units

What is point of the reflection of point P(x,y) when reflected in y=0 axis.

• P(x,-y)

• P(-x,-y)

• P(-x,y)

• P(x,y)

What is point of the reflection of point P(x,y) when reflected in x=0 axis.

• P(-x, y)

• P(-x, -y)

• P(x, -y)

• P(x, y)

Find the range of the following observations.

12, 18, 20, 24, 28

(a)