Unit 4 Review

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Back

Front

What is the process to multiply rational expressions?

Back

Multiply the numerators together and the denominators together, then simplify if possible.

Front

Solve for c in the equation: c + 3 = 0.

Back

c = -3

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Back

Front

Catherine can paint a house in 15 hours. Dan can paint a house in 30 hours. How long will it take them working together?

Back

10 hours

Front

What is the definition of a rational expression?

Back

A rational expression is a fraction where the numerator and the denominator are polynomials.

Front

What are excluded values in rational expressions?

Back

Excluded values are values of the variable that make the denominator zero.

Front

How do you find the least common denominator (LCD) of two rational expressions?

Back

The LCD is the least common multiple of the denominators.

Front

What is the formula for adding two fractions?

Back

Front

What is the definition of a polynomial?

Back

A polynomial is an expression consisting of variables raised to non-negative integer powers and coefficients.