Common Skills A

Paper 1

1

Expand and Simplify

(2x + 5)(x² – 3x – 7)

3 Marks

2

Solve algebraically the inequation

3x + 41 < 5 + 3(2x + 7)

3 Marks

3

Find the equation of the line that cross through points
(–3, –14) and (7, 16)

Give the equation in its simplest form.

3 Marks

4

A parabola has equation y = x² – 10x + 12

Write the equation in the form y = (xp)² + q

2 Marks

5

This diagram shows the graph of y = a sin bx°

State the values of a and b

2 Marks

6

Determine the nature of the roots of the function f(x) = 3x² – 4x + 7

2 Marks

7

Express

as a surd in its simplest form

3 Marks

8

Solve algebraically the system of equations

5x + 2y = 4

4x + 3y = 12

3 Marks

End of Paper