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Write 2x^2 - 16x + 6 in the form a(x + b)^2 + c where a, b and c are constants to be determined.

2x^2 - 16x + 6= 2(x^2 - 8x) + 6= 2((x-4)^2 - 16) + 6= 2(x - 4)^2 - 26So a = 2, b = -4 and c = -26

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Deine deutsche Freunde Julia hat dich über einen Urlaub gefragt. Du schreibst Julia einen Brief über deinen Lieblingsurlaub. Schrieb: Wo bist du gefahren, wer bist du mitgefahren, wie war den Urlaub, über deine Pläne für nächstes Jahr.

Liebe Julia,
Wie gehts du? Mein Lieblingsurlaub war letztes Jahr. Ich bin nach Japan gefahren. Ich bin mit dem Flugzeug geflogen. Es war sehr langweilig, weil es so lang war. Jedoch war ich so aufger...

Answered by • German tutor

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Sarah asked 20 people at a tennis tournament how they travelled there. She found that 13 of them travelled by car. Estimate how many of the total 2000 people at the tournament travelled by car.

First calculate the fraction of the sample that travelled by car to be 13/20.Next multiply the total population size by this proportion to find the estimate of the total number of people who travelled by ...

Answered by Scarlett O. • Maths tutor

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expand and simplify (x+6)(x-8)

The method used to solve this problem can be referred to as the FOIL Method, this is an acronym that stands for First, Outer, Inner,

Answered by Poppy D. • Maths tutor

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Make r the subject of the formula: 1/r -1/p = 1/t

Take the 1/p to the other side of the equation1/r = 1/t + 1/p2) Add the fractions together by making the denominators the same1/r = (p+t)/pt3) Cross multiple by multiplying each side of the equation...

Answered by Antonia A. • Maths tutor

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