A1 Conversions and Reference Sheet

Unit conversions are used to _____________.

• plot points on a graph

• simplify radicals

• change from one unit of measurement to another

• change a fraction to a decimal

Answer explanation

Unit conversions are used to change from one unit of measurement to another, allowing for easy comparison and understanding of quantities in different units.

When the temperature is 59°F, the speed of sound at sea level is 1225 kilometers per hour. Which process could be used to convert this speed into feet per second?

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Joe compared gas prices in England and New York State one day. In England, gas sold for 1.35 euros per liter, and one dollar equaled 0.622 euros. A correct way to figure out this cost, in dollars per gallon, is

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A company ships an average of 30,000 items each week. The approximate number of items shipped each minute is calculated using the conversion

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The following conversion was done correctly.

What were the final units for this conversion?

• 1. minutes per foot

• 1. minutes per inch

• 1. feet per minute

• inches per minute

Answer explanation

The correct final units for the conversion were inches per minute, as indicated in the answer choices and confirmed as the correct answer.

Olivia entered a baking contest. As part of the contest, she needs to demonstrate how to measure a gallon of milk if she only has a teaspoon measure. She converts the measurement using the ratios below:

Which ratio is incorrectly written in Olivia’s conversion?

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Which expression can be used to change 75 kilometers per hour to meters per minute?

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Reference Sheet Question: Which of the following is a linear equation in point slope form?

• Percent

• Proportion of Interest

• Initial Value

• Rate of Chance

• a quadratic equation

• the equation of the axis of symmetry

• an arithmetic sequence

• an exponential equation