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7.02 Quadratic functions in factored form

Adaptive
Worksheet

Interactive practice questions

Consider a parabola of the form $y=ax^2+bx+c$y=ax2+bx+c, where $a>0$a>0

a

Which of the following statements is true?

The vertex of the parabola is a maximum point.

A

The vertex of the parabola is a minimum point.

B
b

Each parabola below has an equation of the form $y=ax^2+bx+c$y=ax2+bx+c.

Select all the graphs for which $a>0$a>0

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A

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B

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C

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D
Medium
< 1min

Consider a parabola of the form $y=ax^2+bx+c$y=ax2+bx+c, where $a<0$a<0

Medium
< 1min

Consider the following equations:

Equation $1$1: $y=x\left(x+3\right)$y=x(x+3)
Equation $2$2: $y=x\left(x-5\right)$y=x(x5)
Medium
1min

Consider the following equations:

Equation $1$1: $y=\left(x+2\right)\left(x-3\right)$y=(x+2)(x3)
Equation $2$2: $y=\left(x-3\right)\left(x+1\right)$y=(x3)(x+1)
Medium
1min
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Outcomes

A.F.2

The student will investigate, analyze, and compare characteristics of functions, including quadratic and exponential functions, and model quadratic and exponential relationships.

A.F.2b

Given an equation or graph, determine key characteristics of a quadratic function including x-intercepts (zeros), y-intercept, vertex (maximum or minimum), and domain and range (including when restricted by context); interpret key characteristics as related to contextual situations, where applicable.

A.F.2c

Graph a quadratic function, f(x), in two variables using a variety of strategies, including transformations f(x) + k and kf(x), where k is limited to rational values.

A.F.2d

Make connections between the algebraic (standard and factored forms) and graphical representation of a quadratic function.

A.F.2g

For any value, x, in the domain of f, determine f(x) of a quadratic or exponential function. Determine x given any value f(x) in the range of f of a quadratic function. Explain the meaning of x and f(x) in context.

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