# How do you solve the equation by graphing #x^2 - 5x - 24 = 0#?

##### 1 Answer

Nov 23, 2017

#### Explanation:

The quadratic can be solved by graphing. The solutions are where the graph crosses the x-axis.

graph{x^2-5x-24 [-16.02, 16.01, -8.02, 8]}

As you can see from the graph, it crosses the x axis at

The answers are

This can also be solved by factorising the polynomial.

The factors are 8 and 3 because they multiply to make 24 and subtract to make 8.

This means that the graph crosses the x-axis at