Download App

Polynomials — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSPolynomials1 Mark
Question
If p(x) = x + 4 then p(x) + p(-x) = ?
✓

Answer

  1. 8
    Solution:
    p(x) = x + 4
    p(-x) = -x + 4
    p(x) + p(-x) = (x + 4) + (-x + 4)
    = x + 4 - x + 4
    = 8

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q" from Polynomials→Polynomials — all question types→MATHS STD 9 question papers→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

E Divides AB in the ratio 1 : 3 and also, F divides AC in the ratio 1 : 3. EF = 2.8cm, Find BC =?
→
In a frequency distribution, ogives are graphical representation of:
→
Write the correct answer in the following: If each observation of the data is increased by $5,$ then their mean:
→
Which of the following is not possible in case of triangle ABC?
→
The edges of a surface are:
→
The following marks were obtained by the students in a test:
81, 72, 90, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62
The range of the marks is.
→
In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of vertex angle of the triangle is:
  1. 100º
  2. 120º
  3. 110º
  4. 130º
→
If APB and CQD are two parallel lines, then the bisectors of $\angle\text{APQ},\angle\text{BPQ},\angle\text{CQP}$and $\angle\text{PQD}$ enclose a:
  1. Square.
  2. Rhombus.
  3. Rectangle.
  4. Kite.
→
Which of the following is a polynomial?
→
In $\triangle\text{ABC},$ if $\angle\text{B} = 30^\circ$ and $\angle\text{C} = 70^\circ,$ then which of the following is the longest side?
→