Top answers


What is the difference between the Perfect (Passé Composé) and Imperfect (Imparfait) tenses?

The perfect and imperfect tenses are both used to describe the past, but in different situations. The perfect tense is used to describe a completed action in the past, for example, what you did this morning ...
KS
Answered by Katie S. French tutor
3281 Views

Gorbachev resigned because his economic policies had failed. Explain why you agree or disagree with this view.

Gorbachev oversaw a period of dramatic structural political, social and economic reform between the middle of the 1980s to 1991. His limited attempts to liberalise the Soviet Union’s economy led to significa...
PG
Answered by Patrick G. History tutor
4441 Views

The point P, (-1,4) lies on a circle C that is centered about the origin. Find the equation of the tangent to the circle at point P.

The most important fact to remember with this question is that two perpendicular straight lines have gradients related by m 1 = -1/m 2. This can then be used to find the gradient of the tangent by first find...
JA
Answered by James A. Maths tutor
5117 Views

What should I write in my history essay introductions?

While there is no exact formula for what constitutes a good history essay introduction, with differences depending on the type of essay (for example, a timed exam or coursework) and the examination board, th...
HN
Answered by Hugh N. History tutor
3035 Views

Solve "x^2 - 12x - 45 = 0" by completing the square

The equation is of the formx 2 +bx+c=0This means it can be rearranged to(x+(b/2)) 2 =(b/2) 2 -cTaking the square root of both sides leaves us with x. x 2 -12x-45=0(x-(12/2)) 2 -(12/2) 2 -45 = 0(x-6) 2 -6 2 -...
EJ
Answered by Elsa J. Maths tutor
7086 Views