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Biblioteka

Lesson 12 - Unit 7 - Algebra 1 - Illustrative Mathematics

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Pitanje 1
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Pitanje 2
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Pitanje 3
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Pitanje 4
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Pitanje 5
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Pitanje 6
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Mai is solving the equation x^{2}+12x=13. She writes:

Jada looks at Mai’s work and is confused. She doesn’t see how Mai got her answer.

Complete Mai’s missing steps to help Jada see how Mai solved the equation.

Pitanje 7
7.

Match each equation to an equivalent equation with a perfect square on one side.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

x^{2}+2x=0

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((x+4)^{2}=18

x^{2}+4x-5=0

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(x+5)^{2}=12

x^{2}-20x=-9

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(x-7)^{2}=54

x^{2}-14x=5

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(x+1)^{2}=1

x^{2}+8x=2

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(x+2)^{2}=9

x^{2}+10x=-13

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(x-10){2}=91

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Pitanje 9
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Pitanje 10
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Pitanje 11
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Pitanje 12
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Pitanje 13
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Pitanje 14
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Pitanje 15
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Pitanje 16
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A basketball is dropped from the roof of a building and its height in feet is modeled by the function h.

Here is a graph representing h.

Select all the true statements about this situation.

Pitanje 17
17.

A group of students are guessing the number of paper clips in a small box.

The guesses and the guessing errors are plotted on a coordinate plane.

What is the actual number of paper clips in the box?​​​​​​

This lesson is from Illustrative Mathematics. Algebra 1, Unit 7, Lesson 12. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/7/12/index.html ; accessed 26/July/2021.

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