File name: Completing The Square Questions And Answers Pdf

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Completing The Square Questions And Answers Pdf

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Read each question carefully before you begin answering it. Check your answers seem right. 1. Work out the values of a and b such that. = .. 2. Write x2 + 4x + 20 in the . • The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Advice • Read each question carefully before you start to answer it. • . Solve each equation by completing the square. x 2 - 8 x + 15 = 0. Read each question carefully before you begin answering it. Check your answers seem right. 1. Work out the values of a and b such that. = .. 2. Write x2 + 4x + 20 in the form (x + a)2 + b, where a and b are constants. .. 3. Question 4: Solve the following equations (use completing the square). Question 5: By using completing the square to solve ax2 + bx + c = 0, prove the quadratic formula. Question 6: Can you spot any mistakes?. • The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Advice • Read each question carefully before you start to answer it. • Keep an eye on the time. • Try to answer every question. • Check your answers if you have time at the end