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The points (0, -5) and (5, 0) lie on a curve y=x^2 + ax + b. Find the stationary points on the curve.

Firstly, let us try to calculate the values for a and b to obtain an equation for the curve. To do this we will substitute the coordinates we are given into y=x² + ax + b:Substituting in (0, -5...

Answered by Adam R. • Maths tutor

4595 Views

How would you structure your answer to a 5-mark question?

While it is important to make sure that you answer the question properly and get the full marks, you also have to be quick, concise and efficient given the tight time constraints in the exam. You should a...

Answered by Nicholas G. • Politics tutor

28541 Views

Look at this painting (Gustave Courbet’s “The Desperate Man”). What do emotions do you think Courbet is trying to show, and how does he achieve it?

Emotions: Fear, anguish, pain, desperation, anger, shock, horror.
How does he do so?
Figure: wide open eyes, hands running through hair, dishevelled, loose clothing.Composition: very close to fa...

Answered by Arianna C. • Art tutor

2309 Views

How do I complete the square?

Completing the square is an algebraic method that can be used to solve a quadratic equation and find the coordinates of a turning point of a graph. Let's use x²+ 4x -5 = 0 are our example.Firs...

Answered by Holly P. • Maths tutor

2659 Views

Name three literary devices, what they are, and give an example of each.

Metaphor: when something is described AS something else, otherwise unrelated, “He had a stormy expression”Alliteration: a series of words, close together, with the same consonant sound, “withering wicked ...

Answered by Arianna C. • English tutor

1375 Views