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TOPIC 1 : STANDARD FORM
1. Round off 0.0368 correct to two significant figures
2. 6.27 x 10-4 =
3. 1.8 x 105 + 88000 =
4. The area of a rectangular nursery plot is 7.2 km2. Its width is 2400m. Find the length, in m of the nursery plot.
5. Express 0.0000203 in standard form.
6. Round off 0.08108 correct to three significant figures
7. Express 7.564 x 10-6 as a single number.
8. Express 0.035000000 in standard form.
9. Round off 70615 correct to three significant figures
10. Round off 50941 correct to three significant figures
11. Express 351000 in standard form.
12. 0.0000025 – 1.3 x 10-7=
TOPIC 2 : QUADRATIC EXPRESSIONS AND EQUATIONS
1. Expand (3p – m)(p + 2m) =
2. Expand 3x (x – 2y) – (3x – y)2 =
3. Expand (3h – 4)(2h - 5) =
4. Expand3x2 – x(1 - x) =
5. Solve the equation 3x2 = 2(x - 1) + 7
6. Solve the equation 3m2 = 2(m – 3) + 11
7. Factorise y(5 + 2y) – 18
8. Factorise m(m + 3) – 28
9. Solve the equation 2k 2 - 5 = 3k 3
10.Solve the equation 9 + m = 18 – m 2 m
VOLUME AND SURFACE AREA
VOLUME AND SURFACE AREA (II)
SIMULTANEOUS EQUATIONS
1. Calculate the value of x and of y that satisfy the following simultaneous linearequations :
5 m - n = 22 m + 1 n = 3
3
2. Calculate the value of x and of y that satisfy the following simultaneous linearequations :
2 x + 3 y = - 43 x - 5 y = 13
3. Calculate the value of x and of y that satisfy the following simultaneous linearequations :
2 d + 3 e = 9d - e = 2
3
4. Calculate the value of x and of y that satisfy the following simultaneous linearequations :
v + 1 w = 1 23 v - w = 13
5. Calculate the value of x and of y that satisfy the following simultaneous linearequations :
6 p - 3 q = 82 p – 2 q = 2
3
QUADRATIC EQUATIONS
1. Solve x 2 – 5 = x 4
2. Solve s + 4 + 2 = 3 3 s
3. Amir Amsyar bought a pair of pants at a price of RM 42 after discount. The original price is RM 60. Calculate the percentage of discount given.
4. Solve the following equation60 – x (60) = 42 100
5. 2.4 x 10 5 + 4.8 x 10 4 =
6. The area of a square is 1.54 m2. Its width is 250 cm. Find its length in cm.
7. Round 40450 to three significant figure.
8. 3.47 x 10 3 =
9. Factorise 6pq – 4q2.
10. Factorise completely 2x2 - 8
11. Expand (4 – 3p)(2 + 5p).
12. If x + 2 = 3x then x = 5
