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4-3 Solving Multiplication Equations - PowerPoint PPT Presentation
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4-3 Solving Multiplication Equations. Standard : PFA Indicator: P9 (same as 4-2). Your goal for every equation… Use the… (or opposite operation) Keep the equation… Show every…. To Isolate the variable Inverse operation Balanced Step!. Important Steps to Remember!.
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Presentation Transcript
Your goal for every equation…
Use the…
(or opposite operation)
Keep the equation…
Show every…
To Isolate the variable
Inverse operation
Balanced
Step!
Important Steps to Remember!What is the inverse of multiplying?
Dividing
Examples
1) -2.5b = 40.5
-2.5b = 40.5
-2.5 -2.5
b = -16.2
Check -2.5 × (-16.2) = ??
Use the formula d = rt to solve the following. A car traveled 300 miles. If its average speed was 65mi/hr how long did it take?
- d = rt
- 300 = 65 t
- 65 65
- 48/13 = t
- Or 4.6 t
- So, the car traveled about 4.6 hours
Homework
- 4-3
- Pg. 162-163
- #4-13 All
- # 14-26, 32-36 even only
- #38, 39
