find both roots of each equation to the nearest tenth x^2 = 618
S santasad13 Junior Member Joined Jan 26, 2006 Messages 50 May 13, 2007 #1 find both roots of each equation to the nearest tenth x^2 = 618
M Mrspi Senior Member Joined Dec 17, 2005 Messages 2,128 May 13, 2007 #2 santasad13 said: find both roots of each equation to the nearest tenth x^2 = 618 Click to expand... To "undo" squaring, take the square root of both sides. Remember that any positive number has TWO square roots, one positive and one negative: sqrt(x^2) = +/- sqrt(618) x = +/- sqrt(618) Now, use your calculator. Round your answer to the nearest tenth (one decimal place)
santasad13 said: find both roots of each equation to the nearest tenth x^2 = 618 Click to expand... To "undo" squaring, take the square root of both sides. Remember that any positive number has TWO square roots, one positive and one negative: sqrt(x^2) = +/- sqrt(618) x = +/- sqrt(618) Now, use your calculator. Round your answer to the nearest tenth (one decimal place)