Chapter 1 review

Chapter 1 review

Postby Eigenvalue » Sat Sep 26, 2026 12:35 am

Precalculus
Michael Sullivan
Edition 4
Chapter 1, Section 1.1-1.5

Here is an overview of sections 1.1 (the distance formula), 1.2 (components of functions), and 1.5 (circles); I have ommited section 1.3 as it pertains to how to use a graphing utility. In addition, section 1.4 is in close conceptual proximity to the spiderweb chart for linear functions, which is posted in the algebra 1 forum.

Important formulas:
Distance formula: d=[tex]\sqrt{(x2-x1)²+(y2-y1)²[/tex]
Midpoint: M=(x,y)=([tex]\frac{x1+x2}{2}[/tex], [tex]\frac{y1+y2}{2}[/tex])
Equation for the graph of a circle: (x-h)²+(y-k)²=r²
Last edited by Eigenvalue on Sat Sep 26, 2026 12:42 am, edited 2 times in total.
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Re: Chapter 1 review

Postby Eigenvalue » Sat Sep 26, 2026 12:37 am

Section 1.1
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Re: Chapter 1 review

Postby Eigenvalue » Sat Sep 26, 2026 12:41 am

Section 1.2
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Re: Chapter 1 review

Postby Eigenvalue » Sat Sep 26, 2026 12:42 am

Section 1.5
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Re: Chapter 1 review

Postby nycmath » Sat Sep 26, 2026 10:54 am

Eigenvalue wrote:Precalculus
Michael Sullivan
Edition 4
Chapter 1, Section 1.1-1.5

Here is an overview of sections 1.1 (the distance formula), 1.2 (components of functions), and 1.5 (circles); I have ommited section 1.3 as it pertains to how to use a graphing utility. In addition, section 1.4 is in close conceptual proximity to the spiderweb chart for linear functions, which is posted in the algebra 1 forum.

Important formulas:
Distance formula: d=[tex]\sqrt{(x2-x1)²+(y2-y1)²[/tex]
Midpoint: M=(x,y)=([tex]\frac{x1+x2}{2}[/tex], [tex]\frac{y1+y2}{2}[/tex])
Equation for the graph of a circle: (x-h)²+(y-k)²=r²


You did a lot of work unnecessarily. I said to select 15 review questions to do as practice. I did not expect you to write a Bible of mathematical information. I thank you but totally unnecessarily.

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