3CT Mathematics 7. In the figure, AABC is right-angled at B. The coordinates of A, B and C are (h, 7), (-3, 1) and (0, -5) respectively. Find the value of h. (A ma AB I BC . Sleope t AB x dlope of Bc: -| -3.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.