Relating a Linear Graph to its equation(function) in gradient and intercept form

[size=150][size=200]Drag the [color=#0000ff][b]blue[/b][/color] and [color=#ff0000][b]red[/b][/color] [b]points[/b] on the graph and see how the equation of the graph is related to the graph.[br](Use mouse scroll wheel to zoom in or out, and drag screen to pan view of graphic screen.)[br][/size][/size]

[size=200]Q1 In the equation [i][b]y[/b][/i] = [i][color=#6aa84f][b]m[/b][/color][b]x[/b][/i] + [color=#ff0000][b]c [br][/b][/color][/size][br][size=200] what does [i][b][color=#38761d]m[/color][/b][/i] represent ?[/size]

[size=200]the value of [b]y[/b][/size] [size=200]the [b][i]y[/i]-intercept[/b][/size] [size=200]the [b]gradient[/b] of the line representing the function [/size] [size=200]the value of [i][b]y[/b][/i][/size]

[size=200]Q2 In the equation [i][b]y[/b][/i] = [i][color=#6aa84f][b]m[/b][/color][b]x[/b][/i] + [color=#ff0000][b]c [br][/b][/color][/size][br][size=200] what does [i][b][color=#ff0000]c[/color][/b][/i] represent ?[/size]

[size=200]the value of [b]y[/b][/size] [size=200]the value of [i][b]y[/b][/i][/size] [size=200]the [b]gradient[/b] of the line representing the function [/size] [size=200]the [b][i]y[/i]-intercept[/b][/size]

[size=200]Q3 [br]For the graph of function [i][b]y[/b][/i] = [color=#6aa84f][b][i]-[/i]4[/b][/color][b]x[/b] + [color=#ff0000][b]5 [br][/b][/color][/size][br][size=200] what is the gradient of the line graphed?[/size]

[size=200]-4[/size] [size=200]5[/size] [size=200]5/4[/size] [size=200]-4/5[/size]

[size=200]Q4 [br]For the graph of function [i][b]y[/b][/i] = [color=#6aa84f][b][i]-[/i]4[/b][/color][b]x[/b] + [color=#ff0000][b]5 [br][/b][/color][/size][br][size=200] what is the value of [i]y [/i]where the line intersects[br] the [i]y[/i] axis?[/size]

[size=200]-4[/size] [size=200]5[/size] [size=200]0[/size] [size=200]4[/size]

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Información: Relating a Linear Graph to its equation(function) in gradient and intercept form