Relate Tables, Graphs, and Equations

Front

What is the algebraic equation for the table where y decreases as x increases?

Back

y = x - 3

Front

What does the point (2, 94) represent in a savings context?

Back

After 2 weeks, they save $94.

Front

What is the dependent variable in a cost vs. weight scenario?

Back

Total cost

Front

Which equation represents a linear relationship where y increases as x increases?

Back

y = x + 3

Front

What does a graph of a linear equation look like?

Back

A straight line.

Front

If y = 4x, what happens to y when x is doubled?

Back

y also doubles.

Front

What is the slope of the equation y = 2x + 1?

Back

The slope is 2.

Front

How do you find the y-intercept of the equation y = 3x - 5?

Back

Set x = 0; y-intercept is -5.

Front

What does the x-coordinate represent in a coordinate pair (x, y)?

Back

The independent variable.

Front

What is the relationship between a table of values and its graph?

Back

Each pair of values corresponds to a point on the graph.