Add/Subtract Rationals

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest factor that two or more numbers have in common.

Front

How do you factor the expression 10x + 15?

Back

5(2x + 3)

Front

What is the process of simplifying rational expressions?

Back

To simplify a rational expression, factor the numerator and denominator and cancel out any common factors.

Front

How do you subtract two rational expressions with the same denominator?

Back

Subtract the numerators and keep the same denominator.

Front

Back

Front

What does it mean to factor an expression?

Back

Factoring an expression means rewriting it as a product of its factors.

Front

How do you factor the expression k^2 + 7k + 10?

Back

(k + 2)(k + 5)

Front

Back

Front

What is the formula for factoring a quadratic expression of the form x^2 + bx + c?

Back

(x + p)(x + q) where p and q are the roots of the equation.

Front

How do you factor out the GCF from the expression 3x^3 + 9x?

Back

3x(x^2 + 3)