Snapshot Review

Front

What is a parallel line?

Back

A parallel line is a line that runs alongside another line and never intersects it, having the same slope.

Front

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

Back

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

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

What is a nonlinear function?

Back

A nonlinear function is a function that does not create a straight line when graphed; its graph can be a curve.

Front

What does it mean for y to be a function of x?

Back

For y to be a function of x, each input x must correspond to exactly one output y.

Front

Identify the function: y = 2x + 3 or y = x^2 - 4.

Back

y = x^2 - 4 is a nonlinear function.

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the vertical line test?

Back

The vertical line test is a method to determine if a curve is a function; if a vertical line crosses the curve more than once, it is not a function.

Front

What is the difference between a function and a relation?

Back

A relation can have multiple outputs for a single input, while a function has only one output for each input.

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers (x, y) that represent a point on a coordinate plane.