Common Skills B

Paper 1

1

Expand and Simplify

(3x – 5)(x² + 5x – 4)

3 Marks

2

Solve algebraically the inequation

25 – 2(4 - 3x) > 2x + 5

3 Marks

3

Find the equation of the line that cross through points
(–8, –14) and (24, 2)

Give the equation in its simplest form.

3 Marks

4

A parabola has equation y = x² + 14x + 35

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

2 Marks

5

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

State the values of a and b

2 Marks

6

Determine the nature of the roots of the function f(x) = 2x² – 4x – 5

2 Marks

7

Express

in its simplest form

3 Marks

8

Solve algebraically the system of equations

3x + 2y = 1

4x + 5y = 20

3 Marks

End of Paper