Quiz on Literal Equations and Dimensional Analysis

What is the first step in solving the equation 5b + 12c = 9 for b?

• Divide both sides by 5

• Multiply both sides by 5

• Subtract 12c from both sides

• Add 12c to both sides

In the equation 7x - 2z = 4 - xy, what should be done to isolate x on one side?

• Divide by 7

• Add xy to both sides

• Subtract 4 from both sides

• Add 2z to both sides

How can the distributive property be used to solve for x in the equation 7x + xy = 4 + 2z?

• By adding 7 and y

• By dividing both sides by 2z

• By multiplying both sides by 7

• By factoring out x

What is a literal equation?

• An equation with only one variable

• An equation that involves several variables

• An equation with no variables

• An equation that cannot be solved

How do you solve the formula e = m/g for m?

• Divide both sides by g

• Subtract g from both sides

• Multiply both sides by e

• Multiply both sides by g

What is dimensional analysis?

• A technique to find the area of shapes

• A way to simplify fractions

• A process of carrying units throughout a computation

• A method to solve equations

In dimensional analysis, what is the purpose of setting up a long bar?

• To organize the conversion factors

• To divide the units

• To add the units

• To multiply the units

How many grams are there in a kilogram?

• 100

• 2000

• 500

• 1000

What is the conversion factor from ounces to pounds?

• 1 ounce = 16 pounds

• 1 pound = 16 ounces

• 1 ounce = 10 pounds

• 1 pound = 10 ounces

If 1 gram is approximately 0.0353 ounces, how many grams are in an ounce?

• 100 grams

• 28.35 grams

• 0.0353 grams

• 1 gram