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Illustrative Math - Algebra 1 - Unit 6 - Lesson 12

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Last updated 2 months ago
15 Questions
1.

Here are four graphs. Match each graph with a quadratic equation that it represents.

y=x^{2}
y=x^{2}+5
y=x^{2}+7
y=x^{2}-3
F.IF.7.c
F.IF.7.e
F.BF.3
F.IF.7.a
F.IF.7.b
F.LE.2
F.IF.7.d
2.
3.
4.
5.
6.

Select all equations whose graphs have a -intercept with a positive y-coordinate.

F.IF.7.c
F.IF.7.e
F.BF.3
F.IF.7.a
F.IF.7.b
F.LE.2
F.IF.7.d
7.
8.
9.

Here is a graph of the function g given by g(x)=a*b^{x}.
What can you say about the value of b? Explain how you know.

F.IF.7.c
F.IF.7.e
F.BF.3
F.IF.7.a
F.IF.7.b
F.LE.2
F.IF.7.d
10.
11.
12.
13.
14.

Determine the x-intercepts, the vertex, and the y-intercept of the graph of each equation.

F.IF.7.c
F.IF.7.e
F.BF.3
F.IF.7.a
F.IF.7.b
F.LE.2
F.IF.7.d
15.

Equal amounts of money were invested in stock A and stock B. In the first year, stock A increased in value by 20%, and stock B decreased by 20%. In the second year, stock A decreased in value by 20%, and stock B increased by 20%.

Was one stock a better investment than the other? Explain your reasoning.

F.IF.7.c
F.IF.7.e
F.BF.3
F.IF.7.a
F.IF.7.b
F.LE.2
F.IF.7.d
This lesson is from Illustrative Mathematics. Algebra 1, Unit 6, Lesson 12. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/6/12/index.html ; accessed 26/July/2021.

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