Algebra 1 MidTerm Review

Front

What is a function?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

Front

What is the difference between a function and not a function?

Back

A function has unique outputs for each input, while a relation that is not a function has at least one input with multiple outputs.

Front

Translate the phrase '2 times the difference of t and 11' into an algebraic expression.

Back

2(t - 11)

Front

Evaluate |4 - h| - b if b = -3 and h = 6.

Back

5

Front

What is the definition of an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

How do you determine if a set of ordered pairs represents a function?

Back

Check if any x-value is repeated; if it is, the set is not a function.

Front

Solve for k: 38 + 7k = 8(k + 4).

Back

k = 6

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, always expressed as a non-negative value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions or equations.