Steps for Quadratics on a Calculator
Sylvia Probst
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Grade Levels
8th - 10th
Subjects
Resource Type
Standards
CCSSHSA-REI.B.4
CCSSHSA-REI.B.4a
CCSSHSA-REI.B.4b
Formats Included
- Portable Network Graphics
Sylvia Probst
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Description
Step by step, this anchor charts explains how to insert quadratics into a graphic calculator.
Total Pages
Answer Key
N/A
Teaching Duration
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Standards
to see state-specific standards (only available in the US).
CCSSHSA-REI.B.4
Solve quadratic equations in one variable.
CCSSHSA-REI.B.4a
Use the method of completing the square to transform any quadratic equation in 𝘹 into an equation of the form (𝘹 – 𝘱)² = 𝘲 that has the same solutions. Derive the quadratic formula from this form.
CCSSHSA-REI.B.4b
Solve quadratic equations by inspection (e.g., for 𝘹² = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as 𝘢 ± 𝘣𝘪 for real numbers 𝘢 and 𝘣.
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