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Algebra: 7.2.3 Exponential Problem Solving Name, Lecture notes of Algebra

University of the Philippines Open University Algebra

Find the equation of an exponential function that passes through the points (2, 48) and (5, 750). 7-107. After noon, the number of people in Mal-Wart grows ...

Typology: Lecture notes

2021/2022

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Algebra: 7.2.3 Exponential Problem Solving Name __________________________ Block ___ Date ________

Bell Work 12/15

Solve each problem. Show sufficient work.

Write an exponential equation for each pair of

a. (0, 2) and (1, 6)

b. (0, 5) and (2, 20)

c. (−1, 6) and (0, 5)

𝑎= 2

𝑏=

2= 3

𝒚=𝟐(𝟑)

𝟐

𝑎= 5

𝑏2=

5= 4

𝑏= 2

𝒚=𝟓(𝟐)𝟐

𝑎= 5

𝑏=

𝒚=𝟓�𝟓

𝟔�

𝟐

Solution

Discover Lecture notes of Algebra University of the Philippines Open University

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Download Algebra: 7.2.3 Exponential Problem Solving Name and more Lecture notes Algebra in PDF only on Docsity!

Algebra: 7.2.3 Exponential Problem Solving Name __________________________ Block ___ Date ________

Bell Work 12/

Solve each problem. Show sufficient work.

Write an exponential equation for each pair of

and ( 1 , 6 ) b.

and ( 2 , 20 ) c.

and ( 0 , 5 )

𝟐

Solution

7-106. Find the equation of an exponential function that passes through the points (2, 48) and (5, 750).

7-107. After noon, the number of people in Mal-Wart grows steadily until 6:00 p.m. If the equation

y = 228 + 58 x represents the number of people in the store x hours after noon:

a. How many people were in the store at noon?

b. At what rate is the number of shoppers growing?

c. When were there 402 shoppers in the store?

7-111. Solve each system:

Show your process used to find these answers.

Suggested methods: a) substitution or graphing b) substitution or graphing c) matrix or elimination d) matrix

EOC Practice :