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Quiz Discussion

Title: Polynomial functions

Grade: 1400-a Lesson: S2-L2

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	Consider the cubic function \$f(x) = x^3 - 6x^2 + 9x\$. Let’s find the x-intercepts of this function.	A) x = 0 , 1 B) x = 0 , 2 C) x = 0 , 3 D) x = 0 , 4
Steps 2	Consider the cubic function \$f(x) = x^3 + 2x^2 - 5x - 6\$. Let’s find the zeros of this function.	A) x = - 1, - 3, 0 B) x = 0, - 3, 1 C) x = - 1, - 3, 2 D) x = 2, - 5, 3
Steps 3	Consider the quadratic function \$f(x) = x^2 + 4x + 4\$. Let’s find the roots of this function.	A) x = - 2 B) x = - 3 C) x = - 4 D) x = - 5
Steps 4	Consider the quadratic function \$f(x) = x^4 - 16x^2\$. Let’s find the y-intercept of this function.	A) y = 3 B) y = 2 C) y = 1 D) y = 0
Steps 5	Determine the polynomial function degree, leading coefficient \$f(x) = -3x^5 + 2x^4 - 5x^3 + x^2 + 4x - 2\$.	A) 2 , - 3 B) 5 , - 3 C) 3 , 7 D) 7 , 0

Problem Id

Problem

Options

Steps 1

Consider the cubic function \$f(x) = x^3 - 6x^2 + 9x\$.
Let’s find the x-intercepts of this function.

A) x = 0 , 1

B) x = 0 , 2

C) x = 0 , 3

D) x = 0 , 4

Consider the cubic function \$f(x) = x^3 + 2x^2 - 5x - 6\$.
Let’s find the zeros of this function.

A) x = - 1, - 3, 0

B) x = 0, - 3, 1

C) x = - 1, - 3, 2

D) x = 2, - 5, 3

Consider the quadratic function \$f(x) = x^2 + 4x + 4\$.
Let’s find the roots of this function.

A) x = - 2

B) x = - 3

C) x = - 4

D) x = - 5

Consider the quadratic function \$f(x) = x^4 - 16x^2\$.
Let’s find the y-intercept of this function.

A) y = 3

B) y = 2

C) y = 1

D) y = 0

Determine the polynomial function degree, leading coefficient
\$f(x) = -3x^5 + 2x^4 - 5x^3 + x^2 + 4x - 2\$.

A) 2 , - 3

B) 5 , - 3

C) 3 , 7

D) 7 , 0