Algebra 2 EOC

Front

What is the interval of decrease for a function if it decreases from x = -2 to x = 6?

Back

(-2, 6)

Front

How do you calculate the sum of an arithmetic series with a_1 = 5 and a_n = 145 for S_15?

Back

S_15 = 1125

Front

What is the exact value of sin 240°?

Back

-√3/2

Front

How do you find P(A or B) if P(A) = 0.7, P(B) = 0.5, and P(A and B) = 0.4?

Back

P(A or B) = 0.80

Front

What is the probability of selecting a teen given that the person likes chocolate if the probability is 12/107?

Back

12/107

Front

Define an arithmetic series.

Back

An arithmetic series is the sum of the terms of an arithmetic sequence, where each term after the first is obtained by adding a constant difference to the previous term.

Front

What is the formula for the sum of the first n terms of an arithmetic series?

Back

S_n = n/2 * (a_1 + a_n)

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

What does it mean for a function to be increasing?

Back

A function is increasing on an interval if, for any two points in that interval, the function's value at the second point is greater than at the first.

Front

What is the difference between independent and dependent events in probability?

Back

Independent events do not affect each other's outcomes, while dependent events do.