Question

A line and two triangles are shown on the coordinate plane.

Answer 1

The slope between D and B is the same as the slope between E and F because BC/DC = GE/GF = ½.

Slope of a Line

• Slope = rise / run = change in y / change in x

• Any two points on a line will have the same slope.

Find the slope between D and B:

Slope of DB = BC/DC

Slope of DB = 3 units / 6 units

Slope of DB = ½

Find the slope between E and F:

Slope of EF = GE/GF

Slope of EF = 2 units / 4 units

Slope of EF = ½

Therefore, the slope between D and B is the same as the slope between E and F because BC/DC = GE/GF = ½.

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