A.8A-7B Solving Quadratics

• There are two zeros, -242 and 242, which can be found when 0 = (x + 242)(x - 242).

• There are two zeros, -22 and 22, which can be found when 0 = (x + 22)(x - 22).

• There are two zeros, -162 and 162, which can be found when 0 = (x + 162)(x - 162).

• There are two zeros, -18 and 18, which can be found when 0 = (x + 18)(x - 18).

What are the roots of the function whose graph is shown?

• {2, 2}

• {0, 4}

• {0}

• {4}

• x = -3, 2/5

• x = 3, 5/2

• x = 3, -2/5

• no real zeros exist

• x = 1, 7/3

• x = -1, -7/3

• x = 1, -3

• no real zeros exist

• no real zeros exist

• no real zeros exist

• A. 7

• B. -7

• C. 5

• D. -5