Unit 2.

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Presentation transcript:

Unit 2

Warm – Up 9 + 5x = 7x + 9 – 2x 2) 2p + 10 = 5p – 5(2p – 4) 3) Solve and Graph : - 2x + 12 > 36

HW Check

Review Find the most simplified expression Solve:

3. 4.

Another option besides the Pythagorean theorem! **Distance Formula: x2 and y2 are the x,y coordinates for one point x1and y1 are the x,y coordinates for the 2nd point d is the distance between the two points

Find the distance between the two ordered pairs: A(-2, 4) and B is (3, 5) Option 1: Use the distance formula Option 2: Graph the ordered pairs Create a right triangle Use Pythagorean Theorem to find the missing side length.

Practice: Find the distance between: 1. A(-4, -3) and B(2, 3) 2. C(4, -3) and D(-3, 4)

1. Give the exact length of side AC for triangle ABC. 2 1. Give the exact length of side AC for triangle ABC. 2. What is the area of triangle ABC. 3. Determine the perimeter of triangle ABC. Give your answer to the nearest tenth of a unit. 4. Give the exact length of side DE for triangle DEF. 5. Determine the perimeter of triangle DEF. Give your answer to the nearest tenth of a unit.

Find the Perimeter and Area of figure:

Find the Perimeter of the figure:

Rearranging Formulas: 1a) ; solve for h 1b) If the volume of a pyramid is 900 cubic centimeters and the area of the base is 270 square centimeters, what is the pyramid’s height?

Solve the formula for h.

Solve for w:

Solve for x: 1. 2.

Solve for b: Solve for p:

HW 2.12