PSAT Math : How to multiply binomials with the distributive property

Study concepts, example questions & explanations for PSAT Math

varsity tutors app store varsity tutors android store

Example Questions

例子问题# 681:Psat Mathematics

Decreaseby 40%. Which of the following will this be equal to?

Possible Answers:

Correct answer:

Explanation:

A number decreased by 40% is equivalent to 100% of the number minus 40% of the number. This is taking 60% of the number, or, equivalently, multiplying it by 0.6.

Therefore,decreased by 40% is 0.6 times this, or

Example Question #2 :How To Multiply Binomials With The Distributive Property

Find the product:

Possible Answers:

Correct answer:

Explanation:

Find the product:

Use the distributive property:

Write the resulting expression in standard form:

Learning Tools by Varsity Tutors