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Algebra 1

The document consists of a series of mathematical problems and exercises, primarily focused on factorization, expansion, simplification, and solving equations. It includes various types of questions, such as calculating probabilities, working with geometric figures, and applying algebraic techniques. Each problem is accompanied by a point value indicating its complexity and importance.

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Tety Suryani
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0% found this document useful (0 votes)
9 views19 pages

Algebra 1

The document consists of a series of mathematical problems and exercises, primarily focused on factorization, expansion, simplification, and solving equations. It includes various types of questions, such as calculating probabilities, working with geometric figures, and applying algebraic techniques. Each problem is accompanied by a point value indicating its complexity and importance.

Uploaded by

Tety Suryani
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1

1 Factorise completely.

................................................... [3]

[Total: 3]

2 Expand and simplify .

........................................................................ [3]

[Total: 3]

3 Expand and simplify.

................................................... [2]

[Total: 2]
2

4 Simplify.

................................................... [2]

[Total: 2]

5 Expand and simplify.

................................................... [3]

[Total: 3]

6 (a) Factorise .

................................................... [1]

6 (b) and .

Find the value of p + q.

................................................... [2]

[Total: 3]
3

Find the value of a and the value of b.

a = ...................................................

b = ................................................... [3]

[Total: 3]

8 Complete this statement with an expression in terms of m.

( ................................................... )

[2]

[Total: 2]

The difference between the areas of the two rectangles is 62 cm2.


4

(a) Show that .

[3]

(b) Factorise .

................................................... [2]

(c) Solve the equation to find the difference between the perimeters of the two rectangles.

................................................... cm [2]

[Total: 7]

10 Factorise completely.

(a)

................................................... [2]
5

(b)

................................................... [2]

(c)

................................................... [2]

[Total: 6]

11 The probability that Andrei cycles to school is r.

(a) Write down, in terms of r, the probability that Andrei does not cycle to school.

................................................... [1]

(b) The probability that Benoit does not cycle to school is .


The probability that both Andrei and Benoit do not cycle to school is 0.4 .

(i) Complete the equation in terms of r.

( ................................................... ) × ( ................................................... ) = 0.4 [1]

(ii) Show that this equation simplifies to .

[3]
6

(iii) Solve by factorisation .

r = .............................. or r = .............................. [3]

(iv) Find the probability that Benoit does not cycle to school.

................................................... [1]

[Total: 9]

12 Expand and simplify.

................................................... [2]

[Total: 2]

13 Factorise.
7

(a)

................................................... [1]

(b)

................................................... [2]

[Total: 3]

14 Factorise.

................................................... [2]

[Total: 2]

15 Expand and simplify.

................................................... [2]

[Total: 2]

16 Factorise completely.
8

(a)

................................................... [2]

(b)

................................................... [3]

[Total: 5]

17 Factorise .

................................................... [3]

[Total: 3]

18
9

(a) Find .

................................................... [1]

(b) Find .

................................................... [2]

(c) Find .

................................................... [2]

(d) Find in its simplest form.

................................................... [2]

(e) Find in the form .

................................................... [2]

(f) Find x when .

x = ................................................... [2]

[Total: 11]
10

19 Factorise completely.

................................................... [2]

[Total: 2]

20 Factorise completely.

................................................... [2]

[Total: 2]

21 Expand the brackets and simplify.

................................................... [3]

[Total: 3]
11

22 Factorise.

................................................... [2]

[Total: 2]

23 Factorise.

................................................... [2]

[Total: 2]

24 Factorise.

................................................... [1]

[Total: 1]

25 (a) Factorise .

................................................... [2]
12

25 (b)

The area of the rectangle is 84 cm2.

Find the perimeter.

................................................... cm [3]

[Total: 5]

26 In this question, all measurements are in metres.

The diagram shows a right-angled triangle.

(a) Show that .

[3]
13

(b) Solve .
Show all your working and give your answers correct to 2 decimal places.

x = .............................. or x = .............................. [4]

(c) Calculate the perimeter of the triangle.

................................................... m [2]

(d) Calculate the smallest angle of the triangle.

................................................... [2]

[Total: 11]

27 Factorise completely.

................................................... [2]

[Total: 2]
14

28 Factorise completely.

................................................... [2]

[Total: 2]

29 Factorise.

Answer ................................................... [1]

[Total: 1]

30 Factorise.

Answer ................................................... [2]

[Total: 2]
15

31 Factorise completely.

ax + ay + 3cx + 3cy

Answer ................................................... [2]

[Total: 2]

32 Factorise completely.

3a2 – 12b2

Answer ................................................... [3]

[Total: 3]

33 Factorise 2x2 – 5x – 3.

Answer ................................................... [2]

[Total: 2]

34 Simplify.

Answer ................................................... [2]

[Total: 2]

35 Factorise completely.
16

(a) yp + yt + 2xp + 2xt

Answer(a) ................................................... [2]

(b)

Answer(b) ................................................... [2]

[Total: 4]

36 f(x) =

(a) f(x) can be written in the form .

Find the value of m and the value of n.

Answer(a) m = ...................................................

n = ................................................... [2]
17

(b) Use your answer to part (a) to find the positive solution to .

Answer(b) ................................................... [2]

[Total: 4]

37 Simplify.

................................................... [3]

[Total: 3]

38 Write as a single fraction in its simplest form.

................................................... [3]

[Total: 3]
18

39 Simplify.

................................................... [3]

[Total: 3]

40 Darpan runs a distance of 12 km and then cycles a distance of 26 km.


His running speed is x km/h and his cycling speed is 10 km/h faster than his running speed.
He takes a total time of 2 hours 48 minutes.

(a) An expression for the time, in hours, Darpan takes to run the 12 km is .

Write an equation, in terms of x, for the total time he takes in hours.

................................................... [3]

(b) Show that this equation simplifies to .

[4]
19

(c) Use the quadratic formula to solve .


You must show all your working.

x = .............................. or x = .............................. [4]

(d) Calculate the number of minutes Darpan takes to run the 12 km.

................................................... min [2]

[Total: 13]

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