Exam 2: Linear Equations and Inequalities

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

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Solve for the specified variable using the given facts. Solve Solve for the specified variable using the given facts. Solve   for B if V = 12, h = 6. for B if V = 12, h = 6.

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

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A stockbroker has money in three accounts. The interest rates on the three accounts are 6%, 8%, and 14%. If she has twice as much money invested at 8% as she has invested at 6%, three times as much at 14% as she has at 6%, and the total interest for the year is $416, how much is invested at each rate? ( Hint : Let A stockbroker has money in three accounts. The interest rates on the three accounts are 6%, 8%, and 14%. If she has twice as much money invested at 8% as she has invested at 6%, three times as much at 14% as she has at 6%, and the total interest for the year is $416, how much is invested at each rate? ( Hint : Let   = the amount invested at 6%.)$ __________ invested at 6% $ __________ invested at 8% $ __________ invested at 14% = the amount invested at 6%.)$ __________ invested at 6% $ __________ invested at 8% $ __________ invested at 14%

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Simplify the expression. Simplify the expression.

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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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Simplify the expression. Simplify the expression.

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Evaluate the expression when Evaluate the expression when   is 4.  is 4. Evaluate the expression when   is 4.

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The difference of a number and fifteen is negative three. Find the number.

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Solve the equation. Solve the equation.

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Recently, the Texas Junior College Teachers Association annual conference was held in Austin. At that time a taxi ride in Austin was $1.75 for the first Recently, the Texas Junior College Teachers Association annual conference was held in Austin. At that time a taxi ride in Austin was $1.75 for the first   of a mile and $0.50 for each additional   of a mile.If the distance from one of the convention hotels to the airport is 9 miles, how much will it cost to take a taxi from that hotel to the airport? of a mile and $0.50 for each additional Recently, the Texas Junior College Teachers Association annual conference was held in Austin. At that time a taxi ride in Austin was $1.75 for the first   of a mile and $0.50 for each additional   of a mile.If the distance from one of the convention hotels to the airport is 9 miles, how much will it cost to take a taxi from that hotel to the airport? of a mile.If the distance from one of the convention hotels to the airport is 9 miles, how much will it cost to take a taxi from that hotel to the airport?

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Solve for Solve for   .  . Solve for   .

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Katie has a collection of nickels, dimes, and quarters with a total value of $4.40. There are 2 more dimes than nickels and 4 more quarters than nickels. How many of each coin is in her collection? ( Hint : Let x = the number of nickels.)

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Use the formula Use the formula   to find the length   of a rectangular lot if the width   is 30 feet and the perimeter   is 300 feet.   __________ feet to find the length Use the formula   to find the length   of a rectangular lot if the width   is 30 feet and the perimeter   is 300 feet.   __________ feet of a rectangular lot if the width Use the formula   to find the length   of a rectangular lot if the width   is 30 feet and the perimeter   is 300 feet.   __________ feet is 30 feet and the perimeter Use the formula   to find the length   of a rectangular lot if the width   is 30 feet and the perimeter   is 300 feet.   __________ feet is 300 feet. Use the formula   to find the length   of a rectangular lot if the width   is 30 feet and the perimeter   is 300 feet.   __________ feet __________ feet

(Short Answer)
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50 is 20% of what number?

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The product of a number The product of a number   and three is greater than the number minus nine. Find the solution set. and three is greater than the number minus nine. Find the solution set.

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Diane is 29 years older than her daughter Amy. In 4 years Diane will be twice as old as Amy. How old are they now? Diane is __________. Amy is __________.

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

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Simplify both sides as much as possible, and then solve. Simplify both sides as much as possible, and then solve.

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

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