Test Review

Front

Slope: Use two points on a graph to find the slope.

Back

Calculate slope using the formula (y₂-y₁)/(x₂-x₁).

Front

Slope: Find the difference in a table.

Back

Subtract the y-values and x-values to find the slope.

Front

Slope-intercept form.

Back

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

Front

System of equations: Graphical solution.

Back

The solution is where two lines meet on a graph.

Front

System of equations: Number of solutions.

Back

Can have many, one, or no solutions.

Front

Bivariate data: Negative correlation.

Back

A negative correlation shows a downward trend in the data.

Front

Bivariate data: Positive correlation.

Back

A positive correlation shows a upward trend in the data.

Front

Bivariate data: No correlation.

Back

No correlation shows no clear trend in the data.

Front

Equation of a line of best fit.

Back

The equation is y = mx + b.

Front

Illustration of a function versus a non-function.

Back

A function has only one output for each input; a non-function can have multiple outputs for a single input.