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Kelso Math A1 #7 IM algebra 1 Test Lessons 4.1-4.9 Jan 2021

Last updated over 5 years ago

21 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Illustrative Math

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21.

Extra Credit!! You can either solve the equation
2x + 3 = 6x - 9 OR tell me Ms. Cowan's favorite color.

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4.

R(3) in context...

It rained 3 days and 3 nights and caused a great flood

3 hours and the cake is ready

Amount in rain gauge after 3 hours

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8.

A(4)

B(4)

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11.

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12.

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13.

now the expression

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17.

rate of growth in millions

.52 million per year

2.6 million per year

5 million per year

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2.

Hint: There are 4 true statements. A wrong choice cancels the point of a correct choice. Choose wisely.

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3.

Hint: There are 4 true statements. A wrong choice cancels the point of a correct choice. Choose wisely.

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5.

R(.5)=14

There were 14 mm of water in the gauge after half an hour of rain.

There was a half mm of water in the rain gauge after it rained for 14 hours

Raining for half an hour equaled the rain of raining for 14 minutes.

Half a drop of rain makes 14 daisies

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6.

Using function notation...

R(t)=6

R(6)=t

R(6)=37

R(37)=6

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7.

Using function notation...Make sure to reread the definition of the variables. That will help eliminate some answers.

R(1.5)=90

R(1.5)=R(2)

R(90)=2

R(2)=90

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9.

After how many years will they be the same?

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10.

Select all years that make the inequality true.

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14.

Now as a function. If you figured out #13 correctly, this is just putting that infor into function notation. Or use these choices here to help you think about #13 better.

r(w)=75

r(w)=75-w

r(w)=75-4.5w

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15.

Points on this graph should match the table. I should see at least 3 points and a line through from x axis to y axis.

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16.

Solve r(w)=30. You could solve using algebra or your graph that you made.

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18.

Between 2015 and 2016

Between 2016 and 2017

Between 2017 and 2018

Between 2018 and 2019

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19.

f(10)=

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20.

f(0)=