Grade 8 Math Review (Jan. 3)

Front

Solve for m: m - 17 = -8

Back

m = 9

Front

What is the domain of the relation {(1, -2), (2, 0), (3, 2), (4, 3)}?

Back

{1, 2, 3, 4}

Front

What is the range of the relation {(1, -1), (2, 0), (3, 1), (4, 2)}?

Back

{-1, 0, 1, 2}

Front

Identify the domain of the relation {(-6,14), (0,32), (2,38), (4,44)}.

Back

{-6, 0, 2, 4}

Front

If f(x) = 2x + 3, what is f(4)?

Back

11

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

Define a function in mathematics.

Back

A relation where each input has exactly one output.

Front

What is the difference between domain and range?

Back

Domain is the set of all possible input values; range is the set of all possible output values.

Front

What does it mean for a function to be linear?

Back

A function is linear if it can be graphically represented as a straight line.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.