Algebra 2 7.5 DAY 1 Graphing Square Root Functions Graphing Cube Root Functions Transformations Algebra 2 7.5 Notes Graphing Square Root and Cube Root Functions Functions you should know [Called Parent Functions!] Opens: if a is +, parabola opens up if a is , parabola opens down (h,k) Absolute Value Function Opens: if a is +, abs. value opens up if a is , abs. value opens down (h,k) (h,k) (h,k) (h,k) Graph the absolute value functions. Give the Vertex (V). Write the transformations. Transformations: Transformations: Transformations: 1________________ 1________________ 1________________ 2________________ 2________________ 2________________ Graph the quadratic Functions. Identify the Vertex(V), Axis of Symmetry (AOS), and the direction the parabola opens (up or down). Then state the transformations: V:________ Opens:_____ V:________ Opens:_____ V:________ Opens:_____ Transformations: Transformations: Transformations: 1________________ 1________________ 1________________ 2________________ 2________________ 2________________ V:________ Opens:_____ V:________ Opens:_____ V:________ Opens:_____ Transformations: Transformations: Transformations: 1________________ 1________________ 1________________ 2________________ 2________________ 2________________ 3_______________ 3_______________ 3_______________ Transformations y = a(xh)2 + k y =a xh + k We will do the transformations in the same order every time (left/right, up/down, flip over xaxis)) ] y = a(xh)2 + k y =a xh + k y = a(xh)2 + k ] 3 horizontal shift left or right y =a xh + k vertical shift up or down y = a(xh)2 + k ] if "a" is negative , the graph is flipped (reflected) over the xaxis Given the function y=x2, perform the following transformations and draw the new function 1. right 2, down 3 3. right 1, up 4, flip over the xaxis 2. left 1, up 1 Given the function y= x, perform the following transformations and draw the new function 1. right 2, down 3 3. up 2, flip over the xaxis 2. left 1, up 1 4. right 1, up 2, 5. left 2, down 1, flip over the xaxis flip over the xaxis 3 Given the function y= x, perform the following transformations and draw the new function 1. right 2, down 3 2. left 1, up 1 3. up 2, flip over the xaxis 4. left 2, up 3, 5. right 1, down 2, flip over the xaxis flip over the xaxis Algebra 2 7.5 DAY 2 Graphing Square Root Functions Graphing Cube Root Functions Transformations Algebra 2 7.5 Notes DAY 2 Transformations of Functions Describe how to obtain the following graphs from y=x2 1. 1 2. 1 Vertex:_______ Vertex:_______ Transformations: Transformations: 3 3. 4. 5. Vertex:_______ Vertex:_______ Vertex:_______ Transformations: Transformations: Transformations: Describe how to obtain the following graphs from y= x+3 6. +2 + 1 7. Start Dot:_______ Start Dot:_______ Transformations: Transformations: x Describe how to obtain the following graphs from y= 8. 9. Start Dot:_______ Start Dot:_______ Transformations: Transformations: x 1 3 Describe how to obtain the following graphs from y= x 10. 11. x+2 + 1 x Center Dot:_______ Center Dot:_______ Transformations: Transformations: 12. 13. x2 x+1 2 Center Dot:_______ Center Dot:_______ Transformations: Transformations: Algebra 2 7.5 DAY 1 Notes completed Graphing Square Root Functions Graphing Cube Root Functions Transformations Algebra 2 7.5 Notes Graphing Square Root and Cube Root Functions Functions you should know [Called Parent Functions!] Opens: if a is +, parabola opens up if a is , parabola opens down Absolute Value Function Opens: if a is +, abs. value opens up if a is , abs. value opens down Graph the absolute value functions. Give the Vertex (V). Write the transformations. Vertex Dot Transformations: Transformations: Transformations: 1________________ 1________________ 1________________ 2________________ 2________________ 2________________ Graph the quadratic Functions. Identify the Vertex(V), Axis of Symmetry (AOS), and the direction the parabola opens (up or down). Then state the transformations: Vertex Dot V:________ Opens:_____ V:________ Opens:_____ V:________ Opens:_____ Transformations: Transformations: Transformations: 1________________ 1________________ 2________________ 2________________ 1________________ 2________________ 2________________ V:________ Opens:_____ V:________ Opens:_____ V:________ Opens:_____ Transformations: Transformations: Transformations: 1________________ 1________________ 1________________ 2________________ 2________________ 2________________ 3_______________ 3_______________ 3_______________ 2________________ Transformations y = a(xh)2 + k y =a xh + k We will do the transformations in the same order every time (left/right, up/down, flip over xaxis)) ] y = a(xh)2 + k y =a xh + k y = a(xh)2 + k ] 3 horizontal shift left or right y =a xh + k vertical shift up or down y = a(xh)2 + k ] if "a" is negative, the graph is flipped (reflected) over the xaxis Given the function y=x2, perform the following transformations and draw the new function 1. right 2, down 3 3. right 1, up 4, flip over the xaxis 2. left 1, up 1 Given the function y= x, perform the following transformations and draw the new function 1. right 2, down 3 2. left 1, up 1 Start Dot 3. up 2, flip over the xaxis 4. right 1, up 2, 5. left 2, down 1, flip over the xaxis flip over the xaxis 3 Given the function y= x, perform the following transformations and draw the new function 1. right 2, down 3 2. left 1, up 1 Center Dot 3. up 2, flip over the xaxis 4. left 2, up 3, 5. right 1, down 2, flip over the xaxis flip over the xaxis Algebra 2 7.5 DAY 2 Notes completed Graphing Square Root Functions Graphing Cube Root Functions Transformations Algebra 2 7.5 Notes DAY 2 Transformations of Functions Describe how to obtain the following graphs from y=x2 1. 1 2. 1 (2,1) Vertex:_______ (1,3) Vertex:_______ Transformations: Transformations: 1. Right 2 2. Up 1 1. Left 1 2. Up 3 3. Flip (Reflect) over the xaxis 3 3. 4. 5. (0,4) (0,0) (3,4) Vertex:_______ Vertex:_______ Vertex:_______ Transformations: 1. Left 3 2. Up 4 Transformations: 1. Flip (Reflect) over the xaxis Transformations: 1. Down 4 Describe how to obtain the following graphs from y= x+3 6. +2 + 1 7. (2,1) Start Dot:_______ (3,0) Start Dot:_______ Transformations: Transformations: 1. Left 2 2. Up 1 1. Left 3 2. Flip (Reflect) over the xaxis x Describe how to obtain the following graphs from y= x 8. 9. 1 (3,1) (0,2) Start Dot:_______ Start Dot:_______ Transformations: 1. Up 2 2. Flip (Reflect) over the xaxis Transformations: 1. Left 3 2. Down 1 3 Describe how to obtain the following graphs from y= x 10. 11. x+2 + 1 x (0,0) (2,1) Center Dot:_______ Center Dot:_______ Transformations: Transformations: None 1. Up 2 2. Flip (Reflect) over the xaxis 12. 13. x2 x+1 2 (2,0) (1,2) Center Dot:_______ Center Dot:_______ Transformations: 1. Right 2 Transformations: 1. Left 1 2. Down 2 3. Flip (Reflect) over the xaxis
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