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MATH 110 · Course unit

Quadratics: build a root model

Factor a quadratic and interpret its roots in a height model.

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  1. 01 Course challenge
  2. 02 Diagnostic
  3. 03 Targeted repair
  4. 04 Mastery & return

Original course work

A model uses h(t) = −t² + 7t − 12. Factor the expression, locate its zeros and explain the interval where h is positive.

Required support is still open. Demonstrate practice mastery in the required tools before checking the course challenges.

For h(t) = −t² + 7t − 12, what is the smaller root?

What is the larger root of the same model?

Unit prerequisite tools

  • Factoring

    required

    Not tested yet

  • Negative integer arithmetic

    diagnostic-recommended

    Not tested yet

  • Order of operations

    on-demand

    Available whenever needed

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