What is cross multiplication

The video tutorial explains the concept of cross multiplication, a method used to solve proportions by multiplying the extremes and means of two ratios. It provides a step-by-step guide on applying the formula, emphasizing the importance of maintaining the equality sign throughout the process. The tutorial concludes with solving equations using cross multiplication, making it easier to find solutions.

When can cross multiplication be applied?

• When two numbers are subtracted

• When two numbers are added

• When two ratios are equal

• When two ratios are multiplied

What is the first step in the cross multiplication process?

• Subtract the ratios

• Multiply the extremes and means

• Divide the ratios

• Add the ratios

What shape is formed during cross multiplication?

• A square

• A circle

• A triangle

• An X

What should you ensure about the equality sign during cross multiplication?

• It should be removed

• It should be changed

• It should be ignored

• It should remain unchanged

What is the final step after cross multiplying?

• Divide the products

• Set the equation to zero

• Add the products

• Subtract the products