Polynomial Inequality

Solve the polynomial inequality

x² - 2x - 15 ≤ 0.

• (-∞, -3) U (5, ∞)

• (-3, 5)

• [-3, 5]

• (-∞, -3]U[5, ∞)

Solve the polynomial inequality.

(x-3)(x+4)>0 Use factors to get zeros for the number line.

• (-∞, -4)U(-4, ∞)

• (-4, 3)

• (-∞, -4]U[3,∞)

• (-∞, -4) U (3, ∞)

x² - 2x - 15 ≤ 0. Use quadratic formula to get zeros for the number line.

• (-∞, -3) U (5, ∞)

• (-3, 5)

• [-3, 5]

• (-∞, -3]U[5, ∞)

Determine where f(x) ≤ 0.

• (-oo, 2) U (2, 4)

• (-oo, 2] U [2, 4]

• (-oo, 4]

• Not given

(x - 1)(x - 2)(x - 4) ≤0

• (-∞, 1]

• (-∞, 1] U [2, 4]

• [1, 2] U [4, ∞)

• (-1, 4)

• [1, 2]

Solve the polynomial Inequality

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Assuming the scale is 1, determine where f(x) ≤ 0.

Assuming the scale is 1, where is f(x) > 0?

• [-4, -1] U [2, +oo)

• (-4, -1) U (2, +oo)

• (-oo, -4] U [-1, 2]

• (-oo, -4) U (-1, 2)

Tags

CCSS.HSA.APR.B.3

Assuming the scale is 1, determine where f(x) ≤ 0.

• (-oo, 2) U (2, 4)

• (-oo, 2] U [2, 4]

• (-oo, 4]

• Not given