PractiseQuestion bank
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12 questions
SA-IAL-P1-DF-0042 marksL1 FoundationCalculatorSecond derivatives
f(x)=x3−4x. Find f′′(2). Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF-0052 marksL1 FoundationCalculatorGradients
Find the gradient of y=x3−3x2+2 at the point where x=−1. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0012 marksL1 FoundationNon-calculatorGradients
Find the gradient of y=2x3 at the point where x=−1. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0022 marksL1 FoundationNon-calculatorSecond derivatives
f(x)=x4. Find f′′(1). Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0031 markL1 FoundationNon-calculatorSecond derivatives
Given y=5x2−3x, find dx2d2y. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0042 marksL1 FoundationNon-calculatorGradients
Find the x-coordinate of the point on y=x2−6x where the gradient is zero. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF-0063 marksL2 StandardCalculatorGradients
Find the x-coordinates of the points on y=x3−3x2 where the gradient is 9. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0052 marksL2 StandardNon-calculatorSecond derivatives
f(x)=x1. Find f′′(1). Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0063 marksL2 StandardNon-calculatorGradients
The curve y=x3+kx has gradient 7 at x=1. Find k. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0072 marksL2 StandardNon-calculatorGradients
f(x)=2x. Find f′(4). Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF2-0082 marksL2 StandardNon-calculatorGradients
The volume of water in a tank is V=t3+2t litres after t minutes. Find the rate at which the volume is increasing when t=2, in litres per minute. Salam Academy Original Practice · Proposed mark scheme
SA-IAL-P1-DF-0115 marksL4 ChallengingCalculatorGradients
A curve has equation y=ax2+bx. Its gradient is 5 at x=1 and 11 at x=2. Find a and b. Salam Academy Original Practice · Proposed mark scheme