The graph shown could represent which of the following equChoose 1 answer:(A) h=−(b−10)(b−20)(b+20)(B) h=(b−10)(b−20)(b+20)(C) h=−(b+10)(b−20)(b+20)(D) h=(b+10)(b−20)(b+20)
Q. The graph shown could represent which of the following equChoose 1 answer:(A) h=−(b−10)(b−20)(b+20)(B) h=(b−10)(b−20)(b+20)(C) h=−(b+10)(b−20)(b+20)(D) h=(b+10)(b−20)(b+20)
Look at the graph: Look at the graph to determine the number of roots and their signs.
Identify roots: If the graph crosses the x-axis at b=10, b=20, and b=−20, then the roots are b=10, b=20, and b=−20.
Write factors: Write the factors based on the roots: (b−10), (b−20), and (b+20).
Determine leading coefficient sign: Determine the sign of the leading coefficient by observing the end behavior of the graph.
Observe end behavior: If the graph opens downwards, the leading coefficient is negative. If it opens upwards, the leading coefficient is positive.
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