Equations & Graphing Algebra 1, Unit 3, Lesson 5

Equations & Graphing – Notes ordered pairs input output line curve y 2x+4=

Equations & Graphing – Notes independent dependent

Equations & Graphing – Notes -1 -3 -2 2 -1 4 4 𝒚= 𝟑 𝟒 −𝟒 −𝟐 𝒚= −𝟓 +𝟒 𝒚= −𝟒 +𝟒 𝒚= 𝟑 𝟒 𝟖 −𝟐 𝒚= 𝟑 𝟒 𝟎 −𝟐 𝒚= −𝟐 +𝟒 𝒚= 𝟎 +𝟒 𝒚= 𝟑 𝟒 𝟒 −𝟐

Class Example 1 5 2 2 -4 𝒚=− 𝟑 𝟐 −𝟐 +𝟐 𝒚=− 𝟑 𝟐 𝟒 +𝟐 𝒚=− 𝟑 𝟐 𝟎 +𝟐 𝒚=− 𝟑 𝟐 −𝟐 +𝟐 𝒚=− 𝟑 𝟐 𝟒 +𝟐 𝒚=− 𝟑 𝟐 𝟎 +𝟐 𝒚=− 𝟑 𝟐 𝟐 +𝟐

Class Example 2 What is the range of the function? Range = {4, 7, 9} 𝒚=𝟕− 𝟏 𝟐 −𝟒 𝒚=𝟗 𝒚=𝟕− 𝟏 𝟐 𝟎 𝒚=𝟕 What is the range of the function? 𝒚=𝟕− 𝟏 𝟐 𝟔 𝒚=𝟒 Range = {4, 7, 9}

Class Example 3 What is the range of the function? 𝒚=− 𝟐 𝟑 −𝟏𝟐 +𝟗 𝒚=𝟏𝟕 𝒚=− 𝟐 𝟑 −𝟔 +𝟗 𝒚=𝟏𝟑 What is the range of the function? 𝒚=− 𝟐 𝟑 −𝟑 +𝟗 𝒚=𝟏𝟏 Range = {11, 13, 17}

Class Example 4 What is the range of the function? 𝒚=𝟕−𝟒(−𝟑) 𝒚=𝟏𝟗 𝒚=𝟕−𝟒(−𝟏) 𝒚=𝟏𝟏 What is the range of the function? 𝒚=𝟕−𝟒(𝟓) 𝒚=−𝟏𝟑 Range = {-13, 11, 19}