(2,5) (-4,3) (-7,-7) (1,-3) x y y = mx + b y = ax 2 + bx + c f(x) = sin x g(x) = e x f(x) = ln (x+5)

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Presentation transcript:

(2,5) (-4,3) (-7,-7) (1,-3)

x y y = mx + b y = ax 2 + bx + c f(x) = sin x g(x) = e x f(x) = ln (x+5)

y = mx + b slopey-intercept y = 2x + 3 y = 3x - 4 y = -(1/2)x

y = 4 x = 2

y = ax 2 +bx + c y = x 2

y = x 2 - 2x + 1

y = x 2 - 2x + 2

+ - or y = x 2 y = -x 2

changes width of parabola y = x 2 y = 2x 2 y =.5x 2

moves parabola up or down y = x 2 + 2x + 1 y = x 2 + 2x y = x 2 + 2x - 1

y = x 2 + 2x + 1 y = (x+1) 2 + 2(x+1) + 1

y = x 2 + 2x + 1 y = (x+1) 2 + 2(x+1) + 1

y = ax 2 + bx + c y = (x+h) 2 + (x+h) + c y = ± x 2

Free Graphing CalculatorGraphing Calculator by Mathlab