Proportions Determine if the ratios can form a proportion. , b. a.

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Presentation transcript:

Proportions Determine if the ratios can form a proportion. , b. a. COURSE 2 LESSON 5-4 Proportions Determine if the ratios can form a proportion. 8 6 9 7 , b. a. 4 10 15 4 10 6 15 Test the pair of ratios. 8 6 9 7 4 • 15 10 • 6 Write cross products. 8 • 7 6 • 9 60 = 60 Simplify. 56 54 = / Yes, and form a proportion. 4 10 6 15 No, and do not form a proportion. 8 6 9 7 5-4

Proportions Determine if the ratios can form a proportion. COURSE 2 LESSON 5-4 Determine if the ratios can form a proportion. 1. , 2. , 3. , 4. , 35 56 45 63 18 26 9 13 12 16 30 no yes yes no 5-4