Slope of a Line

Question 68426 • GA-Algebra: Concepts and Connections CR

What error did she make?

Answer

She simplified the denominator incorrectly. The denominator simplifies to –7.

She labeled the points incorrectly. The point (–7, 4) should be (x1, y1).

She used an incorrect formula. The formula should be the change in y-values with respect to the change in the x-values.

She used an incorrect formula. The formula should be the sum of the x-values with respect to the sum of the y-values.

Analyzing Graphs

Analyzing Tables

Analyzing Tables