Q1 of 84 Page 55

Write the correct alternative answer for each of the following questions.

When x= -1, what is the value of the polynomial 2x3 + 2x?

Put x = -1 throughout the polynomial


= 2 × (-1)3 + (2 × -1)


= -2 -2


= -4


Option (A) does not match to our solution.


Option (B) does not match to our solution.


Option (C) does not match to our solution.


Option (D) does match to our solution.


So option (D) is correct answer.

More from this chapter

All 84 →
1

Write the correct alternative answer for each of the following questions.

What is the coefficient form of x3 – 1?

 1

Write the correct alternative answer for each of the following questions.

p(x) = x2 - 7√7 + 3 then p(7√7)=?

 1

Write the correct alternative answer for each of the following questions.

If x – 1, what is a factor of the polynomial 3x2 + mx then find the value of m.

 1

Write the correct alternative answer for each of the following questions.

Multiply (x2 -3) × (2x – 7x3 + 4) and write the degree of the product.