These devices can do all of the calculations of a scientific calculator, plus graph equations, make function tables and solve equations ... graphed three different linear equations, each with ...

Save guides, add subjects and pick up where you left off with your BBC account. To find solutions from graphs, look for the point where the two graphs cross one another. This is the solution point.

All quadratic functions ... the graph crosses the x-axis. 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 ...