Quiz At Home

Title: Polynomial functions

Grade: 10-a Lesson: S2-L2

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: at Home

Problem Id Problem Options

1

Find the roots of the polynomial function \$f(x) = 2x^2 - 5x + 3\$.

A) \$x = 2/3, 1\$

B) \$x = 3/2, 1\$

C) \$x = 3/2, 1/2\$

D) \$x = 3, 1\$

2

Consider the polynomial function \$f(x) = 2x^3 - 9x^2 + 10x\$. Find the x-intercepts of this function.

A) \$x = 0, 2/5, 2\$

B) \$x = 0, 5/2, 2\$

C) \$x = 0, 5/2, 5\$

D) \$x = 5, 5/2, 2\$

3

Determine the degree, leading coefficient of the polynomial function \$f(x) = 4x^3 - 2x^2 + 7x - 1\$.

A) 7, 6

B) 6, 8

C) -5, 1

D) 3, 4

4

Find the y-intercept of the function \$g(x) = - 3x^4 + x^3 - 4x^2 + 5x + 2\$.

A) y = -3

B) y = 5

C) y = -4

D) y = 2

5

Find the value of \$f(x) = 2x^3 + 3x^2 - 4x + 1\$ when x = 2.

A) f(2) = 18

B) f(2) = 24

C) f(2) = 21

D) f(2) = 20

6

Find the degree, leading coefficient of the polynomial function \$g(x) = -2x^4 + 3x^2 - 7\$.

A) 4, -7

B) 7, -2

C) 4, -2

D) -2, 3

7

Find the roots of the polynomial function \$f(x) = 3x^2 - 7x + 2\$.

A) \$x = 1/3, 2 \$

B) \$x = 1/2, 3 \$

C) \$ x = 1/7, 2 \$

D) \$x = 1/3, -7 \$

8

Find the x-intercepts of the function \$g(x) = x^3 + 2x^2 - x - 2\$.

A) x = -1, 1, 2

B) x = -1, -2, 0

C) x = -2, -1, 1

D) x = -1, 0, 1

9

Find the y-intercept of the function \$g(x) = -x^4+ 4x^2 - 3\$.

A) y = -1

B) y = -3

C) y = 4

D) y = 0

10

Find the roots of the cubic function \$g(x) = x^3 + 2x^2 - 4x\$.

A) \$ x = 1 + √5 , x = -1 - √5\$

B) \$ x = -1 + √5 , x = -1 - √5\$

C) \$ x = 1 + √5 , x = 1 - √5\$

D) \$ x = -1 + √2 , x = -1 - √2\$


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