Exam 2: Linear Equations and Inequalities

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Simplify the expression. Simplify the expression.

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Solve the equation by multiplying both sides by -1. Solve the equation by multiplying both sides by -1.

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Simplify the expression. Simplify the expression.

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The sum of a number and three is eleven. Find the number.

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Solve the equation. Solve the equation.

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The smallest angle in a triangle is The smallest angle in a triangle is   as large as the largest angle. The third angle is twice the smallest angle. Find the three angles. as large as the largest angle. The third angle is twice the smallest angle. Find the three angles.

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Solve the equation. Solve the equation.     __________ Solve the equation.     __________ __________

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If the temperature on the ground is If the temperature on the ground is   , then the temperature at A feet above the ground can be found from the expression   Find the temperature at an altitude of 24,000 feet. , then the temperature at A feet above the ground can be found from the expression If the temperature on the ground is   , then the temperature at A feet above the ground can be found from the expression   Find the temperature at an altitude of 24,000 feet. Find the temperature at an altitude of 24,000 feet.

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Solve the following inequality using the multiplication property of inequalities. If you multiply both sides by a negative number, be sure to reverse the direction of the inequality symbol. Graph the solution set. Solve the following inequality using the multiplication property of inequalities. If you multiply both sides by a negative number, be sure to reverse the direction of the inequality symbol. Graph the solution set.

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Solve the equation. Solve the equation.

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Solve for the indicated variable. Solve for the indicated variable.   for  for Solve for the indicated variable.   for

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Graph the compound inequality. Graph the compound inequality.   or  or Graph the compound inequality.   or

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Solve the equation. Solve the equation.     __________ Solve the equation.     __________ __________

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Simplify the expression. Simplify the expression.

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Solve the equation. Solve the equation.

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Solve for the indicated variable. Solve for the indicated variable.   for  for Solve for the indicated variable.   for

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The length of a rectangle is 3 times the width x . If the perimeter is to be at least 32 meters, what are the possible values for the width? (If the perimeter is at least 32 meters, then it is greater than or equal to 32 meters.)

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Solve the equation. Solve the equation.   x = __________ x = __________

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For the graph below, write an inequality whose solution is the graph. For the graph below, write an inequality whose solution is the graph.

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Solve the equation. Solve the equation.

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