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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 4 of 24The curve \(y = a{x^2} + bx + 3\) has a stationary point at \(( - 1,2)\). The values of \(a\) and \(b\) are?
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 9 of 24For the curve \(y = {x^3} - 3{x^2} - 9x + 1\) the values of \(x\) for which the curve is concave down are?
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Diagnostic Quiz 1
Question 10 of 24\(y = a{x^3} - 3{x^2} - 12x + 2\) has a point of inflection at \(x = \dfrac{1}{2}\), the value of \(a\) is?
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 13 of 24The adjacent diagram shows the sketch of \(y = {x^3} + 4{x^2} - 8\). The co-ordinates of the local maximum are?
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Diagnostic Quiz 1
Question 14 of 24The adjacent diagram shows the sketch of \(y = 3{x^4} + 4{x^3} - 12{x^2} - 24x\). The co ordinates of the local maximum are ?
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Diagnostic Quiz 1
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 17 of 24The cost per hour of a bike ride is given by the formula \(C = {x^2} - 12x + 60\), where \(x\) is the distance traveled in km. The distance that gives the minimum cost is ?Â
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Diagnostic Quiz 1
Question 18 of 24The surface area of a cylinder is given by \(S = 2\pi {r^2} + \dfrac{{500\pi }}{r}\) . The value of \(r\) that will give a minimum surface area is?
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Diagnostic Quiz 1
Question 19 of 24A 2\(m\) length of wire is cut into 2 pieces and each piece is bent to form a square. Given that the length of a piece is \(x m\), then the total area \(A\) of the two squares can be expressed as ?
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 21 of 24The gradient of the tangent to a curve is given by \(\dfrac{{dy}}{{dx}} = 4 - 6x\) and the curve passes through the point \((-1,1)\). The equation of the curve is?
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Diagnostic Quiz 1
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Diagnostic Quiz 1
Question 23 of 24The adjacent diagram shows the sketch of \(y = - {x^3} - {x^2} + 4x\). The co-ordinates of the point of inflection are?
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Diagnostic Quiz 1