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Solve 3x²+6x-7=0 by using completing the square method. Leave your answer in surd form.

This is a question which is simply asking you to solve a quadratic. There are three main ways to do this; quadratic equation, factorising into brackets and completing the square. As the question specifically...
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Answered by Sunny S. • Maths tutor
6184 Views

What is the difference between using the 'etre' form and the 'avoir' form when conjugating the past tense?

The majority of verbs take the 'avoir' form when conjugated into the past tense. Such as 'J'ai mangé', 'J'ai fait', 'J'ai téléphoné'. However, certain verbs take the 'etre' form. It is sometimes difficult to...
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Answered by Maddy W. • French tutor
4012 Views

What is the difference between star and sea? When is star used?

both 'estar' and 'set' mean 'to be', however they are not used interchangeably. Estar is used to describe a feeling or location. For example: Estoy en su casa OR estoy muy triste. But ser is used when someth...
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Answered by Ellie B. • Spanish tutor
2248 Views

Which verbs take être in the Passé Composé?

Mourir Retourner Sortir Venir Aller Naitre Descendre Entrer Rentrer Tomber Rester Arriver Monter Partir
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Answered by Ellie B. • French tutor
2964 Views

Name Group 0 in the periodic table. What is the tree in boiling points and why?

The Noble GasesThe boiling points increase as you go down the group. This is because the atoms get larger and the intermolecular forces become more numerous and stronger hence more energy is needed to break ...
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Answered by Ellie B. • Chemistry tutor
2901 Views