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Express 2x^2 +8x +7 in the form A(x+B)^2 + C, where A, B and C are constants

2x²+8x+7=2(x²+4)+7=2((x+2)²-4)+7=2(x+2)²-8+7=2(x+2)²-1A=2, B=2, C=-1

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Express 2x^2 +8x +7 in the form A(x+B)^2 + C, where A, B and C are constants

Related Maths A Level answers

Find tan(A-B) sec^2(A) - 2tan(A) = 16 && sin(B)sec^2(B) = 64cos(B)cosec^2(B)

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The equation x^2 + 3px + p = 0, where p is a non-zero constant, has equal roots. Find the value of p.

let p be a polynomial p(x) = x^3+bx^2+ cx+24, where b and c are integers. Find a relation between b and c knowing that (x+2) divides p(x).

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Express 2x^2 +8x +7 in the form A(x+B)^2 + C, where A, B and C are constants

Related Maths A Level answers

Find tan(A-B) sec^2(A) - 2tan(A) = 16 && sin(B)sec^2(B) = 64cos(B)cosec^2(B)

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ABCya

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let p be a polynomial p(x) = x^3+bx^2+ cx+24, where b and c are integers. Find a relation between b and c knowing that (x+2) divides p(x).