Question Find the roots k=919Alternative Form k=2.1˙ Evaluate 9k−19To find the roots of the expression,set the expression equal to 0 9k−19=0Move the constant to the right-hand side and change its sign 9k=0+19Removing 0 doesn't change the value,so remove it from the expression 9k=19Divide both sides 99k=919Solution k=919Alternative Form k=2.1˙ Show Solution