Algebra I Exercises: Variables in Algebra

Question Group #1
Directions and/or Common Information:
Evaluate each algebraic expression.
 5 + x when x = 4
 1

 4x - 2 when x = 2
 2

 (m/2) + 7 when m = 10
 3

 (12/k) + y   when k = 6 and y = 5
 4

Question Group #2
Directions and/or Common Information:
Determine the interest earned given the following figures.
 Principle = \$1,000 Rate = 3% Time = 1 year
 1

 Principle = \$22,000 Rate = 5.8% Time = 6 months
 2

 Principle = \$2,000 Rate = 12% Time = 4 months
 3

 You place \$10,000 in a bank account with an interest rate of 5.5%, and let it accrue interest, how much will you have at the end of 20 years (interest + principle)? How much will you have made in interest alone after 20 years? At the end of 50 years?
 4

Question Group #3
Directions and/or Common Information:
Convert the Celsius temperature measurements into Fahrenheit measurements.
 10°C
 1

 22°C
 2

 90°C
 3

 0°C
 4

Question Group #4
Directions and/or Common Information:
Calculate the distance traveled with the given variable. Round your answer to the nearest tenth.
 rate = 5 mph and time = 10 hours
 1

 rate = 12 mph and time = 22 min
 2

 rate = 37 kph and time = 56 min
 3

 rate = 58 mph and time = 20 sec
 4

B Horn

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