Quiz #3: 5.4 & 6.1

Is (-2,4) a solution to the system?

• Solution
• Not a solution

Solve the system of inequalities by graphing.

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Which is the graph of the system of inequalities?

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What is the y-intercept of the following cubic function?

• (1, 0)
• (0, 2)
• (-1, 0)
• (2, 0)

• All real numbers

• y<0

• (−∞,0]

• All Cubic Functions are different.

• All real numbers

• x<0

• (−∞,0]

• All Cubic Functions are different.

What is/are the zero(s) of the function?

• x = 4, x = 1, x = -2
• x = -4, x = -1, x = 2
• y = -2
• (0, -4), (0, -1), (0, 2)

Using you CALCULATOR, What are the zeros of the function f(x) = -2x³ - 4x² + 6x?

• x = 0, -2, -3, 1
• x = -3, 1
• x = 0, 3, -1
• x = 0, -3, 1