The line given by y = 5x + 4 crosses the x-axis when x = ? Give your answer in fraction form.

Question

asked Mar 23, 2024 96.4k views

1 Answer

Ahmad Alaa · Answer 1 · 2024-03-30T06:30:05+0000

The line y = 5x + 4 crosses the x-axis when x = -4/5.

The line y = 5x + 4 crosses the x-axis when y = 0 because on the x-axis, the y-coordinate is 0. So, we set y = 0 in the equation and solve for x:

0 = 5x + 4

5x = -4

x = -4/5

Therefore, the line crosses the x-axis when x = -4/5.