VISUAL ALGEBRA II represents a set of systematised algebraic factorisations and consists of 55 algebraic visualisations created to give meaning to:
- 5a1 Simple binomial factorisations of the following algebraic forms:
- n a + n b and n a – n b, [n = 2, 3, 4, 5];
- 5a2 Simple trinomial factorisations of the following algebraic forms:
- n p + n q + n r and n p – n q + n r, [n = 2, 3, 4];
- 5a3 Simple binomial factorisations of the form:
- n p + 2 n q, [n = 2, 3, 4];
- 5a4 Simple binomial factorisations of the form:
- n a – 3 n b, [n = 2, 3, 4];
- 5a5 Simple trinomial factorisations of the form:
- n a + 2 n b + 3 n c, [n = 2, 3, 4];
- 5a6 Simple trinomial factorisations of the form:
- 2 n a – n b – 3 n c, [n = 2, 3, 4];
- 5a7 Simple trinomial factorisations of the form:
- 2 n a + n a x + 3 n a y, [n = 2, 3, 4, 5, 6];
- 5a8 Simple trinomial factorisations of the form:
- 3 n x + n x y – 2 n x z, [n = 2, 3, 4, 5, 6];
- 5a9 Incomplete quadratic trinomials' factorisations of the form:
- n x2 + 3 n x, [n = 1, 2, 3];
- 5a10 Incomplete quadratic trinomials' factorisations of the form:
- 2 n x2 – 3 n x, [n = 1, 2, 3];
- 5b Two-stage factorisations of the following algebraic forms:
- a c + a d + b c + b d, a c – a d + b c – b d
- - a c + a d – b c + b d, a c + a d – b c – b d
- a c – a d – b c + b d, - a c + a d + b c – b d
- - a c – a d + b c + b d, - a c – a d – b c – b d;
- 5c1 Quadratic factorisations of the following algebraic forms:
- x2 + b x + c
- x2 – b x + c
- x2 – b x – c
- x2 + b x
- x2 – b x;
- 5c2 Difference of two squares' factorisations of the form:
- x2 – y2, [y = 1, 2, 3, 4, 5, 6];
- 5c3 Full square factorisations of the following algebraic forms:
- x2 + 2 x y + y2 and x2 – 2 x y + y2, [y = 1, 2, 3, 4, 5, 6];
- 5c4 Quadratic factorisations using surds of the following algebraic forms:
- x2 + 2 x – c and x2 – 2 x – c, [c = 1, 2, 3, 4, 5, 6, 7, 8, 9];
Applications of rational quadratic factorisations containing three equivalent forms of quadratic functions (quadratic circle) and explanations how to perform their conversions:
- 5d1 y = x2 + 2 b x + b2 with a graph of parabola having its vertex on the border between 2nd and 3rd quadrants;
- 5d2 y = x2 + b x + c with a graph of parabola having its vertex in the 3rd quadrant;
- 5d3 y = x2 – c with a graph of parabola having its vertex on the border between 3rd and 4th quadrants;
- 5d4 y = x2 – b x – c with a graph of parabola having its vertex in the 4th quadrant;
- 5d5 y = x2 – 2 b x + b2 with a graph of parabola having its vertex on the border between 4th and 1st quadrants;
- 5d6 y = - (x2 – 2 b x + b2) with a graph of upside-down parabola having its vertex on the border between 4th and 1st quadrants;
- 5d7 y = - (x2 – b x – c) with a graph of upside-down parabola having its vertex in the 1st quadrant;
- 5d8 y = - (x2 – c) with a graph of upside-down parabola having its vertex on the border between 1st and 2nd quadrants;
- 5d9 y = - (x2 + b x + c) with a graph of upside-down parabola having its vertex in the 2nd quadrant;
- 5d10 y = - (x2 + 2 b x + b2) with a graph of upside-down parabola having its vertex on the border between 2nd and 3rd quadrants;
- 5e Two-step, two-stage factorisations expressed in the form:
- n (± a ± b) (± c ± d), [n = - 3, - 2, - 1, + 1, + 2, + 3];
- 5f Two-step, two-stage quadratic factorisations expressed in the form:
- n (± x ± a) (± x ± b), [n = - 3, - 2, - 1, + 1, + 2, + 3];
Two-step, two-stage quadratic factorisations having a common factor and expressed in the form:
- 5g1a n (x2 + b x + c), [n = 1, 2, 3, 4, 5, 6];
- 5g1b n (x2 – b x – c), [n = 1, 2, 3, 4, 5, 6];
- 5g1c n (x2 + b x – c), [n = 1, 2, 3, 4, 5, 6];
- 5g1d n (x2 – b x + c), [n = 1, 2, 3, 4, 5, 6];
- 5g2 n (x2 – y2), [n = 1, 2, 3, 4, 5, 6];
- 5g3 n (x2 ± 2 x y + y2), [n = 1, 2, 3, 4, 5, 6];
Two-step, two-stage quadratic factorisations not having a common factor and expressed in the form:
- 5h1 a x2 + b x + c with both horizontal and vertical grouping of terms;
- 5h2 a x2 + b x – c with both horizontal and vertical grouping of terms;
- 5h3 a x2 – b x – c with both horizontal and vertical grouping of terms;
- 5h4 a x2 – b x + c with both horizontal and vertical grouping of terms;
- 5h5 a x2 + b x + c visualised as four basic linked examples;
- 5h6 a x2 – b x – c visualised as four basic linked examples;
- 5h7 a x2 + b x – c visualised as five basic linked examples;
- 5h8 a x2 – b x + c visualised as five basic linked examples;
- 5h9 a x2 + b x + c visualised as four sophisticated linked examples;
- 5h10 a x2 + b x – c visualised as four sophisticated linked examples;
- 5h11 a x2 – b x – c visualised as four sophisticated linked examples;
- 5h12 a x2 – b x + c visualised as four sophisticated linked examples;
- 5h13 a x2 + b x + c visualised as three linked more sophisticated examples;
- 5h14 a x2 – b x + c visualised as three linked more sophisticated examples;
- 5h15 a x2 – c visualised as three linked more sophisticated examples;
- 5h16 a x2 + b x visualised as examples of incomplete quadratic trinomials;
- 5h17 a x2 – b x visualised as examples of incomplete quadratic trinomials;
Three-stage quadratic factorisations expressed in the form: