Polynomials

What does multiplicity of a zero mean?

• Look at the number of terms
• How many times the zero repeats
• Find the sum of all the coefficients
• Ratio your x and y

Tags

CCSS.HSF-IF.C.7C

Solve by factoring: 3x³ + 15x² + 30x = 0

• 3, -3, -2

• 0, -2, -3

• 0, 2, 3

• 0, -6, 1

Tags

CCSS.HSF-IF.C.7C

• -11, 9, 10, 16

• 2, 3, 8, -11

• -2, -3, -8, 11

• 11, -9, -10, -16

Tags

CCSS.HSF-IF.C.7C

What is another word for the x-intercept of a parabola?

Tags

CCSS.HSF-IF.C.7C

#1

• factors: (x + 1)(x - 5)

  zeros: x = -1 and x = 5

• factors: (x + 1)(x - 5)

  zeros: x = 1 and x = - 5

Tags

CCSS.HSF-IF.C.7C

What CANNOT be determined by the factors of a polynomial in factored form?

• y-intercept
• x-intercepts
• solutions
• degree of the polynomial

Tags

CCSS.HSF-IF.C.7C

Tags

CCSS.HSF-IF.C.7C

If the solution of a polynomial function is
x = -5 then the linear factor is (x - 5)

• So True
• That's a mistake

Tags

CCSS.HSF-IF.C.7C

Determine the roots for factored form
y=(x+1)(x-6). 

• (-1, 0) and (6, 0)
• (0, 6) and (0, -1)
• (7, 0) and (1, 0)
• (1, 0) and (-6, 0)

Tags

CCSS.HSF-IF.C.7C

Which of the following are zeros of the function

f(x)= 3x - 15

• -5

• 0

• 5

• 15

Tags

CCSS.HSF-IF.C.7C