Illustrative Math - Algebra 1 - Unit 6 - Lesson 15

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19 Questions
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1.
Select all of the quadratic expressions in vertex form.
F.BF.3
F.IF.7.a
F.IF.8.a
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5.
Which equation is represented by the graph?
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12.
For each function, write the coordinates of the vertex of its graph and tell whether the graph opens up or down.
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17.
Noah is going to put $2,000 in a savings account. He plans on putting the money in an account and leaving it there for 5 years. He can put the money in an account that pays 1% interest monthly, an account that pays 6% interest every six months, or an account that pays 12% interest annually.

Which account will give him the most money in his account at the end of the 5 years?
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18.
Here are four graphs. Match each graph with a quadratic equation that it represents.
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y=-x^{2}+3
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y=(x+1)(x+3)
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y=x^{2}-3
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y = (x-1)(x-3)
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19.
The table shows some input and output values of function f. Describe a possible rule for the function by using words or by writing an equation.
This lesson is from Illustrative Mathematics. Algebra 1, Unit 6, Lesson 15. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/6/15/index.html ; accessed 26/July/2021.

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