Alg. 2 1st Sem. Rev. Ch. 1, 2 2020

Front

Evaluate -3|2x - 5y| when x = -4 and y = -1

Back

-9

Front

Solve: 2x - 3 = 45 - 2(3x + 4)

Back

x = 5

Front

For the relation, what is the domain and range? Is it a function? D:{-2, -1, 1, 2, 3}; R{ 1, 2, 3}

Back

D:{-2, -1, 1, 2, 3}; R{ 1, 2, 3}; No

Front

Solve for h: k = 3hj - 8. State any restrictions on variables.

Back

h = (k + 8) / (3j) Restriction: j ≠ 0

Front

g(x) = 3x + 1. Find g(2).

Back

g(2) = 7

Front

What is the definition of a function?

Back

A function is a relation where each input has exactly one output.

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for the function.

Front

What does it mean for a relation to be a function?

Back

A relation is a function if no two ordered pairs have the same first element.

Front

How do you solve a linear equation?

Back

Isolate the variable on one side of the equation using inverse operations.