Counting Slope Review

Front

Does a line with a positive slope go UP to the right or DOWN to the right?

Back

UP to the right

Front

What is a symbol for an unknown value?

Back

Variable

Front

In an ordered pair, what value is always written first?

Back

x-coordinate

Front

In an ordered pair, what value is always written second?

Back

y-coordinate

Front

Is the slope of the line positive, negative, zero or undefined?

Back

negative

Front

What does a negative slope indicate about a line?

Back

The line goes down to the right.

Front

What is the slope of a horizontal line?

Back

Zero

Front

What is the slope of a vertical line?

Back

Undefined

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1)

Front

What does the term 'coordinate plane' refer to?

Back

A two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).