Polynomial Review

Which one of these is in standard form?

• x⁴ + 25x² - 10x³
• x⁴ - 10x³ + 25x²
• - 10x³ + 25x² + x⁴
• 25x² + x⁴ - 10x³

How many terms are in this polynomial?

2x³ - 8x² + 3x - 7

• 7

• 1

• 4

• 2

What is the degree of this polynomial?

2x⁴ - 3x⁵ + x

• -3

• 2

• 4

• 5

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

What are the zeros of the function?

• 4,1
• 3,1,-2,-5
• -3, -1, 2, 5
• -2,4

How many zeros does the polynomial function
 P(x) = 3x⁴+4x-8 have?

• 1
• 2
• 3
• 4

f(x)=(x+4)(x-3)(x-2)
List the zeros for this function.

• x=-4, x=3, x=-2

• x=-4, x=3, x=2

• x=-4, x=-3, x=2

• x=4, x=3, x=2

• 2

• -2

• -3

• 3

Solve: t²+7t+6 = 0

• {-6, -1}

• {2, -3}

• {6, 1}

• {-2, 3}

Solve by Factoring:
x² + 15x + 64 = 20

• {-8, 2}
• {-7, 5}
• {-11, -4}
• {-11}