Algebra 1 Regents Review

Determine whether each expression is rational or irrational.

Groups:

(a) Rational

,

(b) Irrational

Identify the statements below that are correct.

• The sum of 2 rational numbers is always rational.

• The sum of 2 irrational numbers is sometimes rational.

• The product of 2 irrational numbers is always irrational.

• The product of one rational and one irrational is always irrational.

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

The function f(x) is defined by the graph shown.

Which statements are true?

• The domain of the function is all real numbers

Which situation can be modeled by a linear function?

• A population of animals that doubles each year.

• A single elimination tournament where half of the teams are eliminated each round.

• The total cost of renting a jet ski that costs $150 per hour.