Illustrative Math - Algebra 2 - Unit 2 - Lesson 7 - Formative Library | Library

1

1.

Diego wrote f(x)=(x+2)(x-4) as an example of a function whose graph has x-intercepts at x=-4,2. What was his mistake?

A.SSE.1.a

A.APR.3

F.IF.7.a

1

2.

Write a possible equation for a polynomial whose graph has horizontal intercepts at x=2,-\frac{1}{2},-3.

A.SSE.1.a

A.APR.3

F.IF.7.a

1

3.

Which polynomial function’s graph is shown here?

f(x)=(x-1)(x+3)(x-4)

f(x)=(x+1)(x-3)(x+4)

f(x)=(x+1)(x+3)(x+4)

f(x)=(x-1)(x-3)(x-4)

A.SSE.1.a

A.APR.3

F.IF.7.a

1

4.

Which expression is equivalent to (3x+2)(3x-5)?

6x-3

9x^{2}-9x-10

9x^{2}-3x-10

9x^{2}-10

A.SSE.1.a

A.APR.3

F.IF.7.a

1

5.

What is the value of 6(x-2)(x-3)+4(x-2)(x-5) when x=-3?

A.SSE.1.a

A.APR.3

F.IF.7.a

1

6.

Match each polynomial function with its leading coefficient.

		40
		8
		4
		2
		-8

A.SSE.1.a

A.APR.3

F.IF.7.a

This lesson is from Illustrative Mathematics. Algebra 2, Unit 2, Lesson 7. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/2/7/index.html ; accessed 27/July/2021.

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