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SQA Higher Mathematics Area 3 Applications overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. For what values of aa does the recurrence relation un+1=aun+bu_{n+1} = au_n + b have a limit?

  2. What is the limit of un+1=0.5un+10u_{n+1} = 0.5u_n + 10?

  3. The equation x2+y2+2gx+2fy+c=0x^2 + y^2 + 2gx + 2fy + c = 0 has its centre at which point?

  4. What is the radius of the circle x2+y2+2gx+2fy+c=0x^2 + y^2 + 2gx + 2fy + c = 0?

  5. When a line meets a circle and the resulting quadratic has discriminant zero, the line is what?

  6. A tangent to a circle is perpendicular to what at the point of contact?

  7. In an optimisation problem, after setting the derivative to zero you must do what?

  8. If displacement is ss, how is velocity found?

  9. The area between an upper curve f(x)f(x) and a lower curve g(x)g(x) from aa to bb is which integral?

  10. Integrating a velocity function with respect to time gives which quantity?

  11. Why must a region below the x-axis be treated separately when finding total area?

  12. On a closed interval, where can the greatest value of a function occur?