If a linear equation such as 4x + 2 = 8 is plotted graphically, which of the following features represents the solution?
A) Where the line crosses the vertical (y) axis
B) Where the line crosses the horizontal (x) axis
C) The gradient of the line
D) It is not possible to determine the solution in this way

Question

Quizplus · Accepted Answer

The solution to a linear equation like 4x + 2 = 8, when plotted graphically, is represented by the point where the line crosses the horizontal (x) axis. This is because solving the equation for x gives the value of x when y is zero, which is exactly where the line crosses the x-axis.

If a Linear Equation Such as 4x + 2 =