Question

Find the x-intercept of the line 5x + 18y = 4

Answer 1

Our answer is: (0.8,0)

`\Large\textsl{Explanation}`

We are asked to find the x-intercept of the following line -

• 5x + 18y = 4

To find the x-intercept, substitute 0 for y and solve for x -

5x + 18(0) = 4

5x + 0 = 4

5x = 4

x = 4/5

x = 0.8

In point form:

(0.8,0) <<<< x-intercepts always have a y-coordinate of 0.

`\therefore` the x-intercept is (0.8,0).