Vocab Units 2 & 3

Front

Domain

Back

Set of input values for the independent variable over which the function is defined.

Front

Y-intercept

Back

Y-coordinate of a point at which the relation crosses the y-axis, meaning the x-coordinate equals zero.

Front

What is the value of z in the system of equations: x - y - z = 7, 2x - 5y - z = 9, x + y + 3z = 15?

Back

1

Front

Range

Back

Set of output values for the dependent variable over which the function is defined.

Front

Extraneous Solution

Back

A solution derived by solving the equation that is NOT a true solution and will NOT be valid when substituted back into the original equation.

Front

Independent Variable

Back

The variable that represents the input or cause in a function.

Front

Dependent Variable

Back

The variable that represents the output or effect in a function.

Front

X-intercept

Back

X-coordinate of a point at which the relation crosses the x-axis, meaning the y-coordinate equals zero.

Front

Linear Equation

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

System of Equations

Back

A set of two or more equations with the same variables.