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The equation y = –x2 – 8x – 18 is shown by graph ⇒ D . The equation y = x2 – 4x + 7 is shown by graph ⇒ A .The equation y = x + 5 is shown by graph ⇒ C .The equation y = –3x – 6 is shown by graph ⇒ B .
What is the value of x in the following equation?–3x – 2 = 2x + 8
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Solving Polynomial Equations using Technology
Graphs of Polynomial Functions