Give exact & approx. solns (to 3 dec. places) for (x+8)^2=1

[think]

Give the exact and approximate solutions to three decimal places
(x+8)^2=1

[stapel_eliz]

Give the exact and approximate solutions to three decimal places
(x+8)^2=1

This is probably most-simply solved by taking square roots. For instance:

. . . . .

. . . . .

. . . . .

The above would be the "exact" solution. The "approximate" solution would be found by plugging each of:

. . . . .

...into your calculator, and rounding the outputs to the required three decimal places.

Note: In this particular case, the "exact" solution won't involve square roots. For the "approximate" solutions, you'll have to tack on three (entirely unnecessary) zeroes after the decimal point.