Draw the graph of \(y = x^2 -x – 4 \) and use it to find the roots of the equation to 1 decimal place. Draw and complete a table of values to find coordinates of points on the graph. x ...

It demonstrates how to sketch graphs from rules, derive rules from graphs, and calculate key features such as the gradient and \(x\)- and \(y\)- axis intercepts. Features of linear graphs Linear ...

Linear functions are used to model a broad range of real-world problems. The ability to solve linear equations and inequalities is an essential skill for analysing these models. This section covers ...

How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a ...

o MATLAB shows solutions x = 4 and x = -2. Plot Function: o Run the script and choose 3 for Plot an Equation. o Input cos(x). o MATLAB displays a plot of cos(x). Solve and Plot: o Run the script and ...

It is the value of the dependent variable when x = 0. b is the coefficient of the independent variable. It is also known as the slope and gives the rate of change of the dependent variable. Graphing a ...

Higher; Solving logarithmic and exponential equations Graphs of logarithmic and exponential functions. Revise the laws of logarithms in order to solve logarithmic and exponential equations. Part ...