A-level · Integration

Areas with integrationExam-style questions

Setting up a definite integral for each kind of area question. A region between a curve and the x-axis, with the limits found from the x-intercepts; a region below the axis, where the integral is negative and the area is its size; a curve that crosses the axis inside the range, split at the crossing; the region between a curve and a line, as top minus bottom between the points where they meet; and regions made of a triangle and a curved piece.

29 questions · A-level level · mark scheme and worked solution on each · no sign-up to try

DifficultyAllLevel 2Level 3Level 4Level 5
  1. 1
    The diagram shows the curve y=x2y = x^2 and the line y=x+2y = x + 2. The finite region RR, shown shaded, is enclosed by the curve and the line. Find the area of RR.-2-112312345xy
    Level 3 · 4 marksTry it
  2. 2
    The diagram shows the curve y=x2−4y = x^2 - 4. The shaded region RR is enclosed between the curve and the xx-axis. Find the area of RR.-3-2-1123-4-224xy
    Level 3 · 3 marksTry it
  3. 3
    The diagram shows the curve y=9−x2y = 9 - x^2. The shaded region RR is enclosed between the curve and the xx-axis. Find the area of RR.-4-3-2-11234246810xy
    Level 3 · 3 marksTry it
  4. 4
    The diagram shows the curve y=x(x−3)y = x(x - 3), which lies below the xx-axis for 0<x<30 < x < 3. Find the area of the shaded region enclosed between the curve and the xx-axis.1234-3-2-1123xy
    Level 3 · 3 marksTry it
  5. 5
    The diagram shows the curve y=x2−2xy = x^2 - 2x and the line y=xy = x. The finite region RR, shown shaded, is enclosed by the curve and the line. Find the area of RR.1234-11234xy
    Level 3 · 4 marksTry it

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