Write Equations Based on Tables
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This example demonstrates how to write equations based on given table data. Key mathematical concepts include sequences and functions. Using GeoGebra commands such as Random, Sequence, and Join, dynamic table data and corresponding equation graphs can be generated. Suitable for high school math education and learning.
GeoGebra Commands & Parameters
Random(1, 10) → intervalX1Sequence((-i), i, 1, 20) → list1Sequence(i, i, 1, 20) → list2Join({list1, list2}) → coefsElement(coefs, Random[1, 40]) → coef1Element(coefs, Random[1, 40]) → coef2Element(coefs, Random[1, 40]) → coef3Element(coefs, Random[1, 40]) → coef4Element(coefs, Random[1, 40]) → coef5Element(coefs, Random[1, 40]) → coef6Join({list1, list2, {0}}) → bFractionText((coef1 * A2^(2)) + b1) → B2FractionText((coef1 * A3^(2)) + b1) → B3FractionText((coef1 * A4^(2)) + b1) → B4FractionText((coef1 * A5^(2)) + b1) → B5FractionText((coef1 * A6^(2)) + b1) → B6FractionText((coef1 * A7^(2)) + b1) → B7Random(1, 10) → intervalX2FractionText((coef2 * D2^(2)) + b2) → E2FractionText((coef2 * D3^(2)) + b2) → E3FractionText((coef2 * D4^(2)) + b2) → E4FractionText((coef2 * D5^(2)) + b2) → E5FractionText((coef2 * D6^(2)) + b2) → E6FractionText((coef2 * D7^(2)) + b2) → E7Random(1, 10) → intervalX3FractionText((coef3 * G2^(2)) + b3) → H2FractionText((coef3 * G3^(2)) + b3) → H3FractionText((coef3 * G4^(2)) + b3) → H4FractionText((coef3 * G5^(2)) + b3) → H5FractionText((coef3 * G6^(2)) + b3) → H6FractionText((coef3 * G7^(2)) + b3) → H7Random(1, 10) → intervalX4FractionText((coef4 * J2^(2)) + b4) → K2FractionText((coef4 * J3^(2)) + b4) → K3FractionText((coef4 * J4^(2)) + b4) → K4FractionText((coef4 * J5^(2)) + b4) → K5FractionText((coef4 * J6^(2)) + b4) → K6FractionText((coef4 * J7^(2)) + b4) → K7Random(1, 10) → intervalX5FractionText((coef5 * M2^(2)) + b5) → N2FractionText((coef5 * M3^(2)) + b5) → N3FractionText((coef5 * M4^(2)) + b5) → N4FractionText((coef5 * M5^(2)) + b5) → N5FractionText((coef5 * M6^(2)) + b5) → N6FractionText((coef5 * M7^(2)) + b5) → N7Random(1, 10) → intervalX6FractionText((coef6 * P2^(2)) + b6) → Q2FractionText((coef6 * P3^(2)) + b6) → Q3FractionText((coef6 * P4^(2)) + b6) → Q4FractionText((coef6 * P5^(2)) + b6) → Q5FractionText((coef6 * P6^(2)) + b6) → Q6FractionText((coef6 * P7^(2)) + b6) → Q7If(b1 < 0, (-b1), b1) → forTextb1If(b2 < 0, (-b2), b2) → forTextb2If(b3 < 0, (-b3), b3) → forTextb3If(b4 < 0, (-b4), b4) → forTextb4If(b5 < 0, (-b5), b5) → forTextb5If(b6 < 0, (-b6), b6) → forTextb6If(b1 < 0, " - ", " + ") → sign1If(b2 < 0, " - ", " + ") → sign2If(b3 < 0, " - ", " + ") → sign3If(b4 < 0, " - ", " + ") → sign4If(b5 < 0, " - ", " + ") → sign5If(b6 < 0, " - ", " + ") → sign6If(showAnswers ≟ true, (("y = " * coef1) * "x²"), "y") → yText1If(showAnswers ≟ true, (("y = " * coef2) * "x²"), "y") → yText2If(showAnswers ≟ true, (("y = " * coef3) * "x²"), "y") → yText3If(showAnswers ≟ true, (("y = " * coef4) * "x²"), "y") → yText4If(showAnswers ≟ true, (("y = " * coef5) * "x²"), "y") → yText5If(showAnswers ≟ true, (("y = " * coef6) * "x²"), "y") → yText6TableText({{A1, B1}, {A2, B2}, {A3, B3}, {A4, B4}, {A5, B5}, {A6, B6}, {A7, B7}}, "|_") → Table1TableText({{D1, E1}, {D2, E2}, {D3, E3}, {D4, E4}, {D5, E5}, {D6, E6}, {D7, E7}}, "|_") → Table2TableText({{G1, H1}, {G2, H2}, {G3, H3}, {G4, H4}, {G5, H5}, {G6, H6}, {G7, H7}}, "|_") → Table3TableText({{J1, K1}, {J2, K2}, {J3, K3}, {J4, K4}, {J5, K5}, {J6, K6}, {J7, K7}}, "|_") → Table4TableText({{M1, N1}, {M2, N2}, {M3, N3}, {M4, N4}, {M5, N5}, {M6, N6}, {M7, N7}}, "|_") → Table5TableText({{P1, Q1}, {P2, Q2}, {P3, Q3}, {P4, Q4}, {P5, Q5}, {P6, Q6}, {P7, Q7}}, "|_") → Table6