Sometimes b or c is missing!

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Presentation transcript:

Sometimes b or c is missing! DETERMINE A, B, C from Sometimes b or c is missing!

Determine a, b, c for each

Find the roots/zeros/x-intercepts by FACTORING OR

To find the y-intercept LOOK at your “C” value OR Substitute zero for x to find y

To find the vertex First find the axis of symmetry Then substitute your x into your equation to find the y value. Write as (x, y)

Find the key features of each then graph

Modeling Problems Read the problem to determine units Read each question carefully to determine what the question is asking you for

The height of one professional diver above the water during a dive can be modeled by the equation: + 10 y is meters, x is seconds A) find the height of diving board B) What is the maximum height reached by diver? C) When does he hit the water?