Units 1-4 Review

Front

What is the first term of the sequence defined by the recursive formula a_n = a_(n-1) + 9 if the first term is -12?

Back

The first term is -12.

Front

What are the next three terms in the sequence defined by a_n = a_(n-1) + 9 starting from -12?

Back

The next three terms are -3, 6, 15.

Front

What is another name for the x-axis in a coordinate plane?

Back

The x-axis is also known as the domain.

Front

What quadratic expression is represented by the area model: -12x² + 26x - 10?

Back

The expression is -12x² + 26x - 10.

Front

Which equation has a minimum value at x = -5/2?

Back

The equation is y = 2x² + 10x + 12.

Front

What is the result of multiplying 5√54 by 3√32?

Back

The result is 360√3.

Front

Define a recursive formula in the context of sequences.

Back

A recursive formula defines each term of a sequence using the previous term(s).

Front

What is the general form of a quadratic equation?

Back

The general form is y = ax² + bx + c, where a, b, and c are constants.

Front

How do you find the vertex of a quadratic function?

Back

The vertex can be found using the formula x = -b/(2a) from the quadratic equation y = ax² + bx + c.

Front

What does the term 'domain' refer to in mathematics?

Back

The domain refers to the set of all possible input values (x-values) for a function.