Graphing from point/slope Parallel & Perpendicular Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

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Presentation transcript:

Graphing from point/slope Parallel & Perpendicular Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Review Find the slope of the line passing through… (4,6)and(8,9) x y 34 Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Vocabulary Parallel Lines: Two lines in the same plane, that have THE SAME EXACT SLOPE. Plane: A flat surface that extends in all directions. Perpendicular Lines: Two lines in the same plane, that have OPPOSITE RECIPROCAL SLOPES. In other words, they criss-cross each other perfectly at 90 degree angles. Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Graphing using point and slope Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Graphing a line using a point, and a slope… Watch me in IXL V.12 Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Graphing using point and slope Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Commercial Break Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Perpendicular Lines 1 Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Perpendicular vs Parallel Slopes… Parallel = Same Slope Perpendicular = Opposite & Flip Flop Slopes Watch me in IXL V.13 Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

Perpendicular Lines 1 Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

THINK / PAIR / SHARE Step 1 – Spend 20 seconds thinking silently about the Essential Question. Step 2 – Spend 30 seconds pairing up with your learning partner. Step 3 – Volunteer to share your answer with the class… Volunteers will receive a Goodybuck. Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

GIST: Then write 3-4 sentences to answer the GIST Summary E.Q. Essential Question: Describe the difference in slopes of two lines that are perpendicular to each other.

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