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How do you find the turning point of a quadratic equation?

We factorise the equation by completing the square.Take y=x 2 + ax + bWhen we complete the square we have y= (x+1/2a) 2 -a 2 +b which is y= (x+1/2a) 2 + c where c = -a 2 +bThe turning point would be at (-1/2...
WF
Answered by Wiktoria F. • Maths tutor
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Antworte auf diese Frage: Was sind deine Hobbys? (Mindestens 4 Sätze)

Meine Hobbys sind Tanzen, Gitarre spielen und Frende treffen. Ich Tanze zwei Mal die Woche und habe einmal die Woche Gitarrenunterricht. Wenn ich nach der Schule und dem Unterricht noch Zeit habe treffe ich ...
LB
Answered by Lara B. • German tutor
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What is the best way to revise for an English Literature GCSE exam?

Re-read your texts to familiarise yourself with them. 2) Work out the key themes and motifs of each text.3) Create a mind map for each key theme/motif. It should have branches leading off with key arguments ...
IO
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How do I approach simultaneous equations with 2 unknowns?

The two common ways to approach them is either by substitution or addition/subtraction. Firstly, for substitution, rearrange one of your equation so that one of the unknowns becomes the subject and then subs...
LS
Answered by Louis S. • Maths tutor
3010 Views

Solve the simultaneous equations 2x + 3y = 19 , 3x + y = 11

Rearrange to make the y component the subject3y = 19 - 2x , y = 11 - 3xMultiply the second equation by 33y = 33 - 9xEquate to each other19 - 2x = 33 - 9xRearrange7x = 14Divide by 7x = 2Substitute x=2 into on...
DB
Answered by David B. • Maths tutor
4806 Views