Chapter 5 Polynomials

Classify the following polynomial

• quartic polynomial
• quadratic polynomial
• quartic trinomial
• quadratic trinomial

Tags

CCSS.HSA.SSE.A.2

Classify the polynomial:
3x² – 8x + 1

• quadratic trinomial
• cubic trinomial
• quadratic binomial
• cubic binomial 

Solve for the solutions (x - intercepts)

 $\left(x+4\right)\left(x-2\right)\left(x+5\right)$  

•  $x=-4,\ x=\ 2,\ x=\ -5$  

•  $x\ =\ 4,\ x\ =\ -2,\ x\ =\ 5$  

 $Factor\ the\ following\ polynomial:\ x^3+8x^2-20x$  

•  $x\left(x+10\right)\left(x-2\right)$  

•  $x\left(x+5\right)\left(x+4\right)$  

•  $\left(x+10\right)\left(x-2\right)$  

• no

Factor: x³ + 8 (sum of cubes)

• (x + 2)(x² - 2x + 4)

• (x + 2)(x² + 18x + 4)

• (x²+4)(9x + 2)

• (x + 8)(x² - 216x + 64)

• x - 7
• x² - 7
• x + 7
• x² + 3x - 54

What letter represents an imaginary number?

• a

• i

• j

• x

What does i² equal?

• -1

• √-1

• 1

• -√1

 $\sqrt{-36}$  Simplify in terms of i 

• 6

• -6

• -6i

• 6i

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i