3-8 Solving for the variable specified & Dimensional Analysis A

Convert 62 miles/hour to feet/second. (5,280 ft = 1 mi)

• 5,456 ft/s

• .003 ft/s

• 91 ft/s

• 909 ft/s

To solve for any variable, you must _______.

• Get the variable alone on one side
• Distribute the variable to the numbers
• Get everything on the same side
• Ask for help

• A

• B

• C

• D

How many inches are there in a football field (100 yards)? 1 yard = 3 feet; 1 foot = 12 inches

• 360 inches

• 3,600 inches

• 3,600 feet

• 300 feet

What is the first step when solving dimensional analysis problems?

• Write your plan

• Start from the right with your unknown

• Identify and write down your given units!

• Cross out units that are opposite each other

Using dimensional analysis convert 3 pounds into grams. [1 lb = 453.592 g]

• 500 grams
• 2000 grams
• 1000 grams
• 1360.776 grams

How many minutes are in a school year, 187 days?

• 279,280 min.

• 16, 200 min.

• 16, 156 min.

• 269,280 min.

• y = -3x + 5
• y = -3x - 13
• y = -3x + 7
• y = -3x + 13