ch 3 indy test review general

Front

Factor Completely: 2k² - 14k - 60

Back

2(k - 10)(k + 3)

Front

Factor: 4x² - 25x + 25

Back

(x - 5)(4x - 5)

Front

What is the domain of the graph of a rational function?

Back

(-∞, ∞)

Front

What is the first step in factoring a quadratic expression?

Back

Look for a common factor in all terms.

Front

Define a rational expression.

Back

A ratio of two polynomials.

Front

What does it mean for an expression to be 'not factorable'?

Back

It cannot be expressed as a product of simpler expressions.

Front

How do you determine the domain of a rational function?

Back

Identify values that make the denominator zero and exclude them.

Front

What is the difference between a polynomial and a rational expression?

Back

A polynomial is a sum of terms with non-negative integer exponents; a rational expression is a ratio of polynomials.

Front

What is the standard form of a quadratic equation?

Back

ax² + bx + c = 0, where a, b, and c are constants.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for ax² + bx + c = 0.