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Bell Work Solve each equation. 1) 8y + 3 = 5y + 15 2) 4(x + 3) – 14 = 7(x -1) 3) 2.8w – 3 = 5w – 0.8 4) 5(x + 3) + 2 = 5x + 17 5) Solve: 6(4 + a) – 3 =

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Presentation on theme: "Bell Work Solve each equation. 1) 8y + 3 = 5y + 15 2) 4(x + 3) – 14 = 7(x -1) 3) 2.8w – 3 = 5w – 0.8 4) 5(x + 3) + 2 = 5x + 17 5) Solve: 6(4 + a) – 3 ="— Presentation transcript:

1 Bell Work Solve each equation. 1) 8y + 3 = 5y + 15 2) 4(x + 3) – 14 = 7(x -1) 3) 2.8w – 3 = 5w – 0.8 4) 5(x + 3) + 2 = 5x + 17 5) Solve: 6(4 + a) – 3 = 4(a – 3) + 2a a) – 1 b) 0 c) no solution d) all numbers

2 Quiz Complete on a separate sheet of paper and turn into Mrs. Campbell. 1) ½ x + 5 = 7 2) 3x – 7 + 32 3) 2/3x – ¼ = 2/4 4) 12/4 = x 5) x – (-17) = 164

3  A blueprint for a house states that 2.5 inches equals 10 feet. If the length of a wall is 12 feet, how long is the wall in the blueprint?

4 Section 3 – 6 Ratios and Proportions page 155 The student will solve problems using ratios and proportions. They will also determine if ratios are proportionate.

5 Ratio  comparison of two numbers using division. Examples:

6 Proportions  Two equivalent ratios. Cross products are equal Reduce to same ratio.

7  Determine whether the ratios 7/8 and 49/56 form a proportion.  Determine whether each pair of ratios form a proportion. 0.25 1.25 0.6 2 4 16 5 20

8 The gear on a bicycle is 8:5. This means that for every 8 minutes of the pedals, the wheel turns 5 times. Suppose the bicycle wheel turns about 2435 times during a trip. How many times would you have to crank the pedals during the trip?

9 Open book to page 158, number 4. A. Yes B. No [Default] [MC Any] [MC All]

10 Number 5. A. Yes B. No [Default] [MC Any] [MC All]

11 Number 6. A. Yes B. No [Default] [MC Any] [MC All]

12 Number 7. A. x =8 B. x = 9 C. x = 10 D. x = 11 [Default] [MC Any] [MC All]

13 Number 9. A. n = 4 B. n = 4.22 C. n = 4.42 D. n = 4.62 [Default] [MC Any] [MC All]

14 Number 10.


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