Chapter 4 Review

Presentation

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Mathematics

•

8th Grade

•

Medium

•

CCSS

8.F.A.3, HSF.IF.A.2, 8.F.A.1

Standards-aligned

Andrea Hoff

Used 3+ times

FREE Resource

11 Slides • 15 Questions

Dropdown

Range is all of the

values.If you need help look at slide #4

Dropdown

Domain is all of the

values.If you need help look at slide #4

Function Notation

A concise way of substituting specific values for x

Written: f(x)

Read: "f of x"

Think of a function like a machine ...

Substitute "in" value for x (or other variable)
Calculate "out" value using Order of Operations
This example is showing f(x)=5x + 1
This is read f (of x) = 5x plus 1
So, with function notation, the y is replaced with f(x).

Example 1

Here, we're told that our rule is

f(x) = -2x +4 and that x is equal to -3.

When we input -3 into our equation, we get an output of 10.

Make sure you are using FUNCTION NOTATION. f(-3) = 10. This is read f of -3 equal 10.

Math Response

Find f(x) if x=-2.

Type answer here

Deg^°

Rad

Math Response

Solve for the function.

$g\left(x\right)=4x-10$

when $g\left(2\right)$ .

Type answer here

Deg^°

Rad

Multiple Choice

-28

Math Response

Solve for the function.

$h\left(x\right)=-13+x^2+x$

when $h\left(3\right)$ .

Type answer here

Deg^°

Rad

Linear vs. Nonlinear

Functions

Identify linear and nonlinear functions from graphs.

Multiple Choice

Is the graph linear or nonlinear?

Linear

Nonlinear

Multiple Choice

Is the graph linear or nonlinear?

Linear

Nonlinear

Multiple Choice

Is this table showing a linear or nonlinear function?

Linear, the slope is constant

Nonlinear, the slope is not constant

Multiple Choice

Is this table showing a linear or nonlinear function?

Linear, the slope is constant

Nonlinear, the slope is not constant

Linear Functions...

are represented by equations that do not have exponents, no absolute value signs, and variables in the numerator.

Nonlinear Functions...

are represented by equations that have exponents, absolute value symbols, and fractions with variables in the denominator.

Multiple Choice

Which equation is a LINEAR function?

$y=3x^2-1$

$y=2x+6$

$y=\left|x\right|-4$

$y=\frac{1}{5}x^3$

Multiple Choice

Which equation is a NONLINEAR function?

$y=3x^2-1$

$y=2x+6$

$y=-x-4$

$y=\frac{1}{5}x^{ }$

Steps to graphing a function:

Fill in the Blanks

To graph the function $y=x^2+2$ ,

first make a chart.

Enter your answers as they would appear from top to bottom in the chart to the left.

Then move to the next slide to graph.

Graphing

Drag the two points to create the graph of the function from the previous slide:

$y=x^2+2$

Poll

Choose the answer that best describes how you feel about this chapter.

I like this chapter, and I think I've got it.

I have no idea how to do any of this and I need help.

I'm not sure how to make a table and graph.

I don't understand how to put a number in for x in an equation and get an answer.

Show answer

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