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Perplex
Dashboard
Topics
Exponents & LogarithmsApproximations & ErrorSequences & SeriesCounting & BinomialsProof and Reasoning
Cartesian plane & linesQuadraticsFunction TheoryTransformations & asymptotes
2D & 3D GeometryTrig equations & identities
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random Variables
DifferentiationIntegration
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
IB Math AASL
/
Quadratics
/
Problem Bank
IB Math AASL
/
Quadratics
/
Problem Bank

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[Maximum mark: 4]

A ball is thrown upwards and its height above the ground, in metres, after ​t​ seconds is modeled by

​
h(t)=−5t2+20t+2.
​
  1. Write down the initial height of the ball.

    [1]
    Part (a):
    h(0)= m
  2. Find the maximum height of the ball.

    [1]
  3. Solve ​h(t)=0, and state the solution's significance in the context of the problem.

    [2]
[Maximum mark: 4]

A ball is thrown upwards and its height above the ground, in metres, after ​t​ seconds is modeled by

​
h(t)=−5t2+20t+2.
​
  1. Write down the initial height of the ball.

    [1]
    Part (a):
    h(0)= m
  2. Find the maximum height of the ball.

    [1]
  3. Solve ​h(t)=0, and state the solution's significance in the context of the problem.

    [2]