Question Simplify the expression 1+9r Evaluate 1+r×9Solution 1+9r Show Solution Find the roots r=−91Alternative Form r=−0.1˙ Evaluate 1+r×9To find the roots of the expression,set the expression equal to 0 1+r×9=0Use the commutative property to reorder the terms 1+9r=0Move the constant to the right-hand side and change its sign 9r=0−1Removing 0 doesn't change the value,so remove it from the expression 9r=−1Divide both sides 99r=9−1Divide the numbers r=9−1Solution r=−91Alternative Form r=−0.1˙ Show Solution
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