Alg 1 S1 Exam Review 24-25

Front

Is this graph a function or not a function?

Back

Not a Function

Front

If Hector's service club wraps between 25 and 30 presents, what is the domain of the function y = 3x?

Back

{25, 26, 27, 28, 29, 30}

Front

Which of the following is an arithmetic sequence with a common difference of 4? 3, 7, 11, 15,...; 21, 17, 13, 9,...; 2, 8, 32, 128,...; 5, -9, 13, -17,...

Back

3, 7, 11, 15,...

Front

Describe the correlation coefficient r = 0.143.

Back

weak positive

Front

Using the equation a_n = -3n + 11, determine the 98th term of the sequence.

Back

-283

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the range of a function?

Back

The set of all possible output values.

Front

What is an arithmetic sequence?

Back

A sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

a_n = a_1 + (n-1)d, where a_1 is the first term and d is the common difference.

Front

What does a correlation coefficient of r = -0.85 indicate?

Back

strong negative correlation