Your calculator gives an answer of x=1.1578074156, y=2E-13 when using ROOT or ZERO in the graphing mode. Give the coordinates of the x-intercept your calculator has given you to the nearest thousandth.

Question

Your calculator gives an answer of x=1.1578074156, y=2E-13 when using ROOT or ZERO in the graphing mode. Give the coordinates of the x-intercept your calculator has given you to the nearest thousandth. <<< ? I have no idea how to solve these. Someone please explain this! Thanks!

Reiny · Answer

2E-13 on most calculators means 2.0 x 10^-13 which for all practical purposes is zero. 1.15780.. to the nearest thousandth is 1.158 So what is the x-intercept ?