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ZIMSEC O-Level — free MCQ practice

Choose from 64 questions across 1 subjects and 46 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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ZIMSEC O-Level subjects

Mathematics (64)

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StatisticsAlgebraClass12 Functions BasicsClass12 Relations BasicsGeometryMatrices and DeterminantsProbability & StatisticsSequencesTrigonometryApplication of IntegralsBinomial TheoremCalculusClass11 Sets BasicsClass11 Sets OperationsConic SectionsCorrelation and RegressionIntegral CalculusLimits and ContinuityLinear ProgrammingLogarithmsMeanMedianMensurationNumber TheoryPermcombPermutations and CombinationsQuadratic EquationsRelations and FunctionsSequences and SeriesSequences and Series Gp

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What is a radical called when it works out to an irrational number?Read the answer and worked solution →Which name is also used for an exponent?Read the answer and worked solution →How many solutions can a quadratic equation have at most?Read the answer and worked solution →What is an ordered set of numbers or variables called?Read the answer and worked solution →

Worked practice questions

What is a radical called when it works out to an irrational number?

  1. A surd
  2. A ratio
  3. A power
  4. A digit
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Correct answer: A. A surd

1. A radical is a number written under a root sign. 2. A surd is a radical which results in an irrational number. 3. The square root of 9 is not a surd, because it works out to the whole number 3. 4. The square root of 7 is a surd, because no fraction of two integers is equal to it. _Source: Siyavula Mathematics Grade 11 (Everything Maths, CC BY 4.0), Chapter 1: Exponents and surds_

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Which name is also used for an exponent?

  1. The radicand
  2. The index
  3. The fraction
  4. The bracket
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Correct answer: B. The index

1. An exponent is the small raised number written after a base. 2. The exponent, also called the index or power, indicates how many times the multiplication is repeated. 3. The radicand is a different part of the notation, since it is the number under a root sign. _Source: Siyavula Mathematics Grade 11 (Everything Maths, CC BY 4.0), Chapter 1: Exponents and surds_

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How many solutions can a quadratic equation have at most?

  1. One
  2. Four
  3. Two
  4. Five
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Correct answer: C. Two

1. A quadratic equation is an equation of the second degree. 2. A quadratic equation has at most two solutions, which are also called roots. 3. Some quadratic equations have only one solution and some have no real solution at all. 4. No quadratic equation can ever have more than two solutions. _Source: Siyavula Mathematics Grade 11 (Everything Maths, CC BY 4.0), Chapter 2: Equations and inequalities_

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