Search our library of A Level questions

Top answers

All subjects

A Level

When should you use ‘Imperfetto’ tense and when ‘Passato Prossimo’ one?

‘Imperfetto’ is used to describe actions and situations in the past, to describe something you used to do in the past and for simultaneous actions in the past. On the other hand, ‘Passato Prossimo’ is use...

Answered by • Italian tutor

1740 Views

The quadratic equation (k+1)x^2 + (5k-3)x + 3k = 0 has equal roots, find the possible values of the real number k.

Given that the equation is quadratic and has two distinct roots , this implies that the discriminant (b² - 4ac) in the quadratic formula is equal to zero. Comparing terms a = (k+1), b = (5k -3)...

Answered by Adam L. • Maths tutor

5007 Views

Discuss two ways in which a country's international competitiveness could increase (8)

International competitiveness refers to how attractive a products in country are in international markets in terms of quality and price. One way in which Britain could increase its international competiti...

Answered by Tom C. • Economics tutor

2745 Views

Outline Bowlby’s evolutionary theory of Attachment

According to Bowlby, attachment is an innate behavioural system that has evolved because of its survival value. Bowlby posits a ‘sensitive period’, during which an infan...

Answered by Chloe B. • Psychology tutor

3716 Views

What is the difference between a one-tailed and two-tailed hypothesis? How Would you operationalise a hypothesis?

A one-tailed hypothesis predicts the direction of the results, whereas a two-tailed hypothesis does not. A two-tailed hypothesis simply states there will be an effect of the Inde...

Answered by Chloe B. • Psychology tutor

4691 Views