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Biblioteka

Kelso Math: Algebra 2B - Unit 1 - Lesson 3 (IM Alg1 U7L13)

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A.REI.4.b

"Source: Illustrative Mathmatics Resouces (Download for free at curriculum.illustrativemathematics.org)"

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Pitanje 11
11.

Put Jada's steps in order for solving the equation by completing the square.

Pitanje 12
12.

Explain what move Jada made to go from step one to step two in question #11. Be specific. Why did she make that move? How did she know how much to add? I will have to grade this one.

Pitanje 13
13.

Explain what move Jada made to go from step three to step four in question #11. Why did she set x+10 equal to 8 and -8? I will have to grade this one.

Pitanje 14
14.

Put Han's steps in order for solving the equation by completing the square.

Pitanje 15
15.

Explain what move Han made to go from step one to step two in question #14. Be specific. Why did he make that move? How did he know how much to add? I will have to grade this one.

Pitanje 16
16.

Explain what move Han made to go from step three to step four in question #14. Why did he set x + 0.8 equal to 1 and -1? I will have to grade this one.

Pitanje 17
17.

What would Jasmine need to add to each side of the equation to create a perfect square?

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Pitanje 18
18.

Answer format (include the word or, with a space before and after): x=___ or x=___

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Pitanje 19
19.

Answer format (include the word or, with a space before and after): x=___ or x=___

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Pitanje 20
20.

Answer format (Write your answers as fractions. Include the word or, with a space before and after): x=___ or x=___

Pitanje 21
21.

Match each quadratic expression given in factored form with an equivalent expression in standard form. One expression in standard form has no match.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

(x+9)(x-9)

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-x^{2}+4

(x+y)(x-y)

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x^{2}-81

(2+x)(2-x)

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x^{2}-4

(2+x)(x-2)

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x^{2}-y^{2}

Pitanje 1
1.

What value would you add to this expression to make a perfect square?

Pitanje 2
2.

Now write the resulting expression in factored form:

Pitanje 3
3.

What value would you add to this expression to make a perfect square?

Pitanje 4
4.

Now write the resulting expression in factored form:

Pitanje 5
5.

What value would you add to this expression to make a perfect square?

Pitanje 6
6.

Now write the resulting expression in factored form:

Pitanje 7
7.

What value would you add to this expression to make a perfect square?

Pitanje 8
8.

Now write the resulting expression in factored form:

Pitanje 9
9.

What value would you add to this expression to make a perfect square?

Pitanje 10
10.

Now write the resulting expression in factored form: