4-7

Nov 09, 2014

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4-7

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7-4

7-4. Statistical Graphs. WHAT YOU WILL LEARN. • To display data into: Histograms Frequency polygons Stem-and-leaf displays. Circle Graphs. Circle graphs (also known as pie charts) are often used to compare parts of one or more components of the whole to the whole. Example.

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4-7

4-7. Introduction to Coordinate Proof. Warm Up. Lesson Presentation. Lesson Quiz. Holt Geometry. Warm Up Evaluate. 1. Find the midpoint between (0, 2 x ) and (2 y , 2 z ).

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4-7

4-7. Scatter Plots. Course 3. Warm Up. Problem of the Day. Lesson Presentation. 4-7. Scatter Plots. C. D. A. B. Course 3. Warm Up Graph each point on the same coordinate plane. 1. A (5, 20) 2. B (20, 15) 3. C (10, 40) 4. D (30, 35). 4-7. Scatter Plots. Course 3.

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7-4

Similarity in Right Triangles. 7-4. OBJECTIVE. To find and use relationships in right triangles. VOCABULARY. Theorem 7-3 – The altitude to the hypotenuse of a right triangle divides the triangle into two triangles that are similar to the original triangle and to each other. C.

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4-7

Comparing and Ordering Fractions. 4-7. Course 1. Warm Up. Problem of the Day. Lesson Presentation. 4-7. Comparing and Ordering Fractions. 5. 3. 3. 2. __. __. __. __. 8. 5. 3. 4. Course 1. Warm Up Find the missing number that makes the fraction equivalent. 1. 2.

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4-7

4-7. Introduction to Coordinate Proof. Holt Geometry. Warm Up Evaluate. 1. Find the midpoint between (0, 2 x ) and (2 y , 2 z ). 2. One leg of a right triangle has length 12, and the hypotenuse has length 13. What is the length of the other leg?

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7 -4

7 -4. Two-Way Frequency Tables. Objectives Interpret data using a two-way frequency table. Suppose you asked 20 children and adults whether they liked broccoli. The table shows the data.

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7-4

7-4 . Similar Triangles. F. C. A. B. D. E. Two polygons are similar if and only if their corresponding angles are congruent and the measures of their corresponding sides are proportional. Similar Polygons. ~ means “is similar to”.

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7-4

Applying Properties of Similar Triangles. 60. 7-4. Warm Up. Lesson Presentation. Lesson Quiz. Holt Geometry. 60. Warm Up Solve each proportion. 1. 2. 3. 4. AB = 16. QR = 10.5. x = 21. y = 8. 60. Objectives. Use properties of similar triangles to find segment lengths.

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4-7

4-7. Triangle Congruence: ASA, AAS, and HL. Holt Geometry. Section 4.7. Holt McDougal Geometry. Warm Up 1. What are sides AC and BC called? Side AB ? 2. Which side is in between  A and  C ? 3. Given  DEF and  GHI , if  D   G and  E   H , why is  F   I ?.

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7-4

7-4. Division Properties of Exponents. Warm Up. Lesson Presentation. Lesson Quiz. Holt Algebra 1. Warm Up Simplify. 1. ( x 2 ) 3 3. 5. 2. 4. 6. Objective. Use division properties of exponents to evaluate and simplify expressions.

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7-4

7-4. Properties of Logarithms. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Algebra 2. Holt Algebra 2. Opener-NEW SHEET-12/9. Simplify. 1. (2 6 )(2 8 ). 2 14. 3 3. 2. (3 –2 )(3 5 ). 4 4. 3 8. 3. 4. 7 15. 5. (7 3 ) 5. Write in exponential form. 6. log x x = 1.

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7-4

7-4. Properties of Logarithms. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Algebra 2. Holt Algebra 2. Warm Up. Simplify. 1. (2 6 )(2 8 ). 2 14. 3 3. 2. (3 –2 )(3 5 ). 4 4. 3 8. 3. 4. 7 15. 5. (7 3 ) 5. Write in exponential form. 6. log x x = 1.

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7-4

7-4. Applications of Linear Systems.

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7-4

7-4. Classifying Polygons. Warm Up. Problem of the Day. Lesson Presentation. Course 3. 7-4. Classifying Polygons. Course 3. Warm Up 1. How many sides does a hexagon have? 2. How many sides does a pentagon have? 3. How many angles does an octagon have?

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7-4

7-4. Similar Figures. Course 1. Warm Up. Problem of the Day. Lesson Presentation. Warm Up Fill in the missing value. 1. c = 2 qt 2. 180 in. = yd 3. 3 tons = lb 4. min = 2,760 s. 8. 5. 6,000. 46.

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4-7

4-7. The Real Numbers. Course 3. Warm Up. Problem of the Day. Lesson Presentation. 1. 119. 2. – 15. 3. 2. 4. – 123. Warm Up Each square root is between two integers. Name the two integers. Use a calculator to find each value. Round to the nearest tenth.

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7-4

7-4. Similarity in Right Triangles. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Geometry. Holt Geometry. 7-4. Warm Up 1. Write a similarity statement comparing the two triangles. Simplify. 2. 3. Solve each equation. 4. 5. 2 x 2 = 50. ∆ ADB ~ ∆ EDC. ±5. 7-4.

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4-7

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