Alg 1- Lesson 9.1

Presentation

•

Mathematics

•

9th Grade

•

Easy

•

CCSS

HSF-IF.C.7A

Standards-aligned

Ashley Harshbarger

Used 6+ times

FREE Resource

11 Slides • 6 Questions

Alg 1- Lesson 9.1

Learning Goals

I can identify quadratic functions and determine whether they have a minimum or maximum.
I can graph a quadratic function and give its domain and range.

Vocab:

Example 1

Tell whether the function is quadratic. Explain.

Tell whether the function is quadratic. Explain.

Fill in the Blanks

The graph of any quadratic function is called

Type answer...

Multiple Choice

What would be an example of a quadratic equation?

x+5

x³+2x²+5x-2

x²+3x-10

Example 2: Sketch a graph of the quadratic function.

^{Example 3: Tell whether the graph of each quadratic function opens upward or downward. Explain.}

Multiple Choice

In the function f(x)=-5(x+3)²-8, the parabola opens:

upward

downward

Multiple Choice

In the function f(x)=2(x+5)²-8, the parabola opens

upward

downward

Example 4A

Identify the vertex of each parabola. Then give the minimum or maximum value of the function.

Vertex:

Min or Max?

Example 4B

Identify the vertex of each parabola. Then give the minimum or maximum value of the function.

Vertex:

Min or Max?

Multiple Choice

is the lowest or highest point of the parabola

vertex

axis

equation

symmetry

Multiple Choice

Does this graph in the back have maximum or minimum value?

maximum

minimum

neither

both

Example 5

Find the domain & range.

Domain:

Range:

Example 5

Find the domain & range.

Domain:

Range:

Alg 1- Lesson 9.1

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