Linear Equations

Answer all of the following

1. Solve

(a) x+3=0
(b) x-7=0
(c) x+2=5
(d) x-4=2

2. Solve

(a) 2x+4=0
(b) 5x-3=17
(c) 3x+5=23
(d) (1/2)x=9


3. Solve

(a) 1-x = 5
(b) 9-2x=7
(c) (1/5)(3-x)=10
(d) (1/3)x=(2/5)

4. Solve

(a) 1-3x=x+5
(b) 7-x=3x-1




Happy trying

hafsah ...

huffy64@yahoo.com

modulus

Answer all of the following.

1. Find the solution set for

(a)| x |> 3 (b) |x| < 7

2. Find the solution set for

(a) | x-2|< 5 (b) |x+7| > 12

3. Find the solution set for the following

(a) |2x+5| < 20 (b)| (1/3)x-8| >6

4. Find the solution set for the following

(a) |7x-3| <| x+2| (b) | 5-3x| >| 5x -1|


Happy trying !
Hafsah....
huffy64@gmail.com

Whole number - Combined operations

Answer all of the following.

1. Calculate 12-4+7


2. Calculate 3x20-7x4


3. Calculate 72 - 2x15+3


4. Evaluate 48/(8-5)


5. Evaluate 32/8 + 49/7



Happy Trying

Hafsah
huffy64@gmail.com

Fractions : Adding Two Proper fractions.

STEPS

1. Make both denominators be the same.
2. Add the numerator.
3. Simplify.

Example 1 : Add 1/3 + 2/5

Step 1 : (1x5)/(3x5) + (2x3)/(5x3)

Step 2 : (5+6)/(15)

Step 3 : 11/15


Example 2 : Add 2/3 + 4/7

Step 1 : (2x7)/(3x7) + (4x3)/(7x3)

Step 2 : (14+12)/(21)

Step 3 : 26/21@1 5/21


Hafsah

Decimal : Basic operations on decimals.

Answer the following:

1. Calculate

(a) 12.8+0.27

(b) 109.075 +121.75


2. Find

(a) 45.7 - 12.5

(a) 128.1-47.25


3. Evaluate

(a) 12.5 x 4

(b) 15.7 x 1.5


4. Find

(a) 22.4/2

(a) 24/0.5

5. Calculate

(a) 3(2.5-0.7)+2(1.2+0.5)

(a) (128.5-20)/0.2


Happy Trying!

Hafsah

Probability

Probability formula : P(A) = n(A) / n(S)

Try the following :

There are 4 red roses and 6 white roses in a basket. Calculate the probability of getting

(a) a red rose if one rose is picked from the baskets.

(b) both roses are of the same color if two roses are picked from the baskets.


Happy trying!

Hafsah

Perimeter & Area

Answer all of the following :

1. Given a square has length 9 cm. Find
(a) the perimeter and
(b) the area
of the square.

2. A square has length 12 cm. Find
(a) the perimeter and
(b) the area
of the square.

3. Given a rectangle has length 4 cm and width 3 cm. Find
(a) the perimeter and
(b) the area
of the rectangle.

4. A rectangle has length 20 cm and width 8 cm. Find
(a) the perimeter and
(b) the area
of the rectangle.

5. Given a rectangle has length twice of its width. If the width is 12cm, find
(a) the perimeter and
(b) the area
of the rectangle.

Happy Trying guys
contact me at huffy64@gmail

hafsah

Polynomials

Answer the following:


Given that P(x)=2x^3-7x^2-2x+7. Show that x+1 is a factor of P(x).

Hence,

(a) find all factors of P(x)

(b) solve P(x)=0

(c) find the set solution for P(x)>0.


Happy Trying !

Hafsah

Whole Number - Solving Problems

Answer all of the following.

1. Ali and Ravi bought 80 and 75 marbles respectively. What is the total of their marbles ?

2. At the beginning David has 110 stamps. He gave 35 stamps to his friend Rashid. What is the number of stamps left ?

3. A teacher wants to distribute 120 sweets equally to 40 students. How many sweets each student has ?

4. A box contains a dozen books. If there are 5 boxes, how many books are there ?


Happy Trying !

Hafsah

Fraction

Answer all of the following

1. (1/2) + (2/3)


2. (3/5)-(1/3)


3. (2/5) x (3/4)


4. (3/4) /2


5. (1 1/3 + 2 1/6)


6. (1 1/7 -4/5)


Happy Trying !

Hafsah huffy64@gmail.com

Circle : Circumference.

Answer all of the following.

1. Find the circumference of a circle given that

(a) radius = 7 cm.

(b) radius = 3.5 cm.

(c) radius = 10.5 cm.

(d) radius = 42 cm.

2. Find the circumference of a circle given that the diameter is

(a) 70 cm.

(b) 35 cm.

(c) 2.1 cm.


Happy Trying !

Hafsah

Geometry Coordinate

Answer all of the following.

1. Given A(1,3), B(4,7). Find

(a) the mid-point of A and B.

(b) the length of AB.

(c) the gradient of AB.

2. Given that the equation of a straight line is y=3x+2. Find the equation of another straight line if

(a) it is perpendicular to line y=3x+2 and passing through origin.

(b)it is parallel to line y=-2x+5 and passing through point (0,2)

3. Find the distance of point AB. Given that

(a) A(0,2), B(0,-8)

(b) A(0,3),B(4,0)

(c) A(2,1),B(7,-11)


Happy Trying !
Hafsah
huffy64@gmail.com

Probability

Solve all of the following.


There are 3 white and 4 red marbles in a box. Find the probability that

(a) a white marble is chosen if a marble is picked randomly from the box.


(b) two marbles of the same color were chosen if two marbles are picked one by one without replacing.


Happy trying !

Quadratic Equations

Solve all of the following.


1. (2x - 1)(x +3) =0


2. 4x² -2x-3=0


2. x² =92+5x)/3


4. 7x=3(1-2x² )


5. 2x-1 = 3/(2x)


Happy Trying

Linear Equation

Solve the following linear equation.

1. x+3=0.

2. x-5=0.

3. 2x = 8.

4. 2x -5 = 1.

5. 3x+1= 7.

6. (x+1)/2 = 3.

7. (1/2)(2x-1)=3

8. 2p-4=6

9. 0.5h = 5

10. 3h=12


Happy trying!

Quadratic Expressions & Equations

1. Factorize the following expressions.

(a) 9x² - 3x

(b) 2x + 10x²

(c) x² - 4x +4

(d) x² + 5x + 6

(e) 2x² +14x +12

2. Solve the following quadratic equations.

(a) x² -4x + 3=0

(b) x² -3x+2=0

(c) x² + 2x + 1=0

(d) x² +4x+ 3=0

(e) 2x² -8x+6=0

Happy Trying !
huffy64@gmail.com

Whole Number ( Combined Operations)

Answer all of the following

1. Calculate 25 / 5 + 2


2. Evaluate 20(6-2)


3. Find 3(14/2) - 4 x 2


4. Calculate 30 - 2 x 5 - 7


5. 28 + 6 / 2 - 9


Happy Trying !

- Hafsah

huffy64@gmail.com

Algebraic Expression

Answer all of the following.

1. Identify like terms fo the following: 2x, -2p, 0.5x, w, 7x

2. State the coefficient of p of each of the following

(a) 3p

(b) -2.5p

(c) 0.5mnp

3. Simplify the following

(a) (3m+n)+(5m-2n)

(b) 2(a-b+1)+3(a-3b+5)

4. Simplify the following algebraic expression

(a) 24xy/6y

(b)12pq/18qr

5. Simplify (320mn/8mp) x 2n

Happy trying

Whole Number

Anwer all of the following.

1. Round off 29580 to the nearest hundreds.

2. Calculate
(a) 280 - 3x20 - 70

(b) (320 - 160)/4

3. Calculate
(a) 75x15

(b) 84-3x21+28

4. Safri, Aman and Dan has 120 , 78 and 102 marbles respectively. What is the total of their marbles ?

5. Rosie spends RM15 for T-shirt and RM17 for a blouse at a supermarket. If she paid RM50 note, what is the balance she received from the cashier ?


Happy Trying!

Linear Equation

Linear Equations



Answer all of the following



1. Find the value of x

(a) 2x+5=6

(b) 3x-7=14



2. Find the value of y

(a) 3y+y=16

(b) (½)y=-11



3. Solve the following equation

(a) 3p-1=11

(b) (¼)p =2



4. Solve the following equation

(a) 7(h-5)=35

(a) (¾)(m-2)=3



5. Solve

(a) -4(t+3)=12

(b) (5-x)÷(x-2)=3



Happy trying !