Chapter 3 Algebraic Formulae

Given that p = 2q + 4, express q in terms of p.

Diberi p = 2q + 4, ungkapkan q dalam sebutan p.

• $2q\ =\ p\ -\ 4$

• $2q\ =\ p\ +\ 4$

• $q\ =\ \frac{p\ -\ 4}{2}$

• $q\ =\ \frac{p\ +\ 4}{2}$

Given that y = x - 5, express x in terms of y.

Diberi y = x - 5, ungkapkan x dalam sebutan y.

• $x\ =\ y\ +\ 5$

• $x\ =\ y\ -\ 5$

• $x\ =\ 5y$

• $x\ =\ \frac{y}{5}$

Given that m = –3q + p , express q in terms of m and p.
Diberi m = –3q + p, ungkapkan q dalam sebutan m dan p.

•  $q\ =\ \frac{p\ +\ m}{3}$  

•  $q\ =\ \frac{m\ -\ p}{3}$  

•  $q\ =\ \frac{p\ -\ m}{3}$  

•  $q\ =\ -\frac{p\ -\ m}{3}$  

Given, 
Diberi,
 $m\ =\ \sqrt{n}\ -\ 1$  
State n, as the subject of formula.
Ungkapkan n sebagai perkara rumus.

•  $n\ =\ \left(m\ -1\ \right)^2$  

•  $n\ =\ \left(m\ +1\ \right)^2$  

•  $n\ =\ \sqrt{m\ -1}$  

•  $n\ =\ \sqrt{m\ +\ 1}$  

Given that,
Diberi, 
 $y\ =\ 5x^2$  
express x in terms of y.
ungkapkan x dalam sebutan y.

•  $x\ =\ \sqrt{y\ +\ 5}$  

•  $x\ =\ \sqrt{y-5}$  

•  $x=\ \sqrt{5y}$  

•  $x\ =\ \sqrt{\frac{y}{5}}$  

Given that v = u + at, find the value of v when u = 12, a = 1.5 and t =6.

Diberi v = u + at, cari nilai v apabila u = 12, a = 1.5 dan t = 6.

• 21

• 22

• 23

• 24

Given that,
Diberi, 
 $m\ =\ \frac{a\ -\ b}{c\ -\ d}$  
find the value of m when a = 2, b = 8, c = 5 and d = 1.
cari nilai v apabila a = 2, b = 8, c = 5 dan d = 1.

•  $-\frac{3}{2}$  

•  $\frac{3}{2}$  

•  $\frac{5}{2}$  

•  $-\frac{5}{2}$  

Given that k = 4s + 5t, find the value of t when k= 30 and s = 5.

Diberi k = 4s + 5t, cari nilai t apabila k= 30 dan s = 5.

• -10

• 10

• -2

• 2

The area of the trapezium below is 36 cm². If x + y = 11 cm, calculate the value of x and y.

Luas trapezium di bawah ialah 36 cm². Jika x + y = 11 cm, hitung nilai x dan y.

• x = 5, y = 4

• x = 5, y = 7

• x = 4, y = 7

• x = 4, y = 5

Mark ( √ ) if x is the subject of the formula.

Tandakan ( √ ) jika x ialah perkara rumus.

• 2x = 4y² + 3

• x = 3y -4z

• x =9px - y

• y = x + 5

Tags

CCSS.HSA.CED.A.4