13 Questions
What is the result of a positive number plus a negative number?
Can be either positive or negative
What is the sign of the product of a negative number and a positive number?
Always negative
What is the result of a negative number plus a negative number?
Always negative
What is the sign of the product of two positive numbers?
Always positive
What is the result of a positive number minus a positive number?
Can be either positive or negative
What is the first step in factorizing an expression using the greatest common factor (GCF) method?
Identify the GCF of the terms in the expression
What is the formula for the difference of squares?
a^2 - b^2 = (a + b)(a - b)
What is the purpose of finding two numbers whose product is c and whose sum is b when factorizing quadratic expressions?
To rewrite the expression as the product of two binomials
What is the formula for the sum of cubes?
a^3 + b^3 = (a + b)(a^2 - ab + b^2)
What is the general strategy for factorizing an expression?
Factor out the GCF and then check for special products
What is the purpose of factorizing an expression?
To simplify the expression
What is the correct factorization of the expression x^2 + 5x + 6?
(x + 2)(x + 3)
What is the formula for the difference of cubes?
a^3 - b^3 = (a - b)(a^2 - ab + b^2)
Study Notes
make some flashcards about negative plus positive, positive plus negative, positive times negative and negative times positive
Test your knowledge of basic math operations involving negative and positive numbers. Learn how to multiply and add numbers with different signs. Improve your math skills with this quiz!
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