This term in PreCalc 11 I learned 5 very important things:
1.Factoring and Solving Quadratic Equations:
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How to factor trinomials, difference of squares, and perfect square trinomials.
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Solving quadratic equations using factoring, completing the square, or the quadratic formula.
2.Rational Expressions and Equations
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Simplifying rational expressions (fractions with polynomials).
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Solving equations that include rational expressions and understanding restrictions (non-permissible values).
3.Radicals and Rational Exponents
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Simplifying expressions with square roots or cube roots.
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Using rational exponents
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Solving equations involving radicals.
4. Trigonometry
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Using sine, cosine, and tangent ratios in right triangles.
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Solving non-right triangles using the Sine Law and Cosine Law.
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Working with angles in degrees and radicands.
5. Quadratic Functions and Graphing
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Understanding vertex form and standard form of a quadratic function.
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Graphing parabolas and identifying vertex, axis of symmetry, y-intercept, and x-intercepts.
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Finding maximum or minimum values from a graph or equation.