Abu Dhabi Indian School Grade 9 Maths Revision Worksheet 1 PDF

ABUDHABI INDIAN SCHOOL, BRANCH 1, AL WATHBA 2024-25 Grade: IX REVISION WORKSHEET 1 Subject: Mathematics Topic: Number System, Polynomials and Euclid Geometry LEVEL 1 Q1. Simplified value of 16−1/4 ×∜16 a.16 b.4 c.1...

ABUDHABI INDIAN SCHOOL, BRANCH 1, AL WATHBA 2024-25 Grade: IX REVISION WORKSHEET 1 Subject: Mathematics Topic: Number System, Polynomials and Euclid Geometry LEVEL 1 Q1. Simplified value of 16−1/4 ×∜16 a.16 b.4 c.1 d.0 Q2.Which of the following is an irrational ? 𝑎. √16 - 4 b. (3-√3) (3+√3) c.√5 +3 d.-√25 Q3. Find the value of the polynomial 5x - 4𝑥 2 +3 when x=-1 a. -5 b.0 c.1 d.-6 Q4. One of the factors of (25𝑥 2 - 1) + (1 + 5𝑥)2 a. 5+x b.5 – x c.5x -1 d.10x Q5. Assertion(A) : Value of 1113 is 1367631 Reason(R): 𝑥 3 + 𝑦 3 = (x + y) (𝑥 2 -xy + 𝑦 2 ) a. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion b. Both Assertion and Reason are correct and Reason is not the correct explanation for Assertion. c. Assertion is true but the reason is false. d. Assertion is false and reason is true. Q6. If the pointP lies between M and N and C is the midpoint of MP then a.MC +PN=MN b. MP+CP=MN c. MC+CN=MN d. CP+CN=MN LEVEL 2 𝑝 Q7.Express 0.328282828…in the form of 𝑞 where p and q are integers and q ≠0 Q8.Factorize the following: 8𝑎3 +8𝑏 3 Q9. Two salesmen make equal sales during the month of August. In September, each salesman doubles his sale of the month of August. Compare their sales in September. State with justification which Axiom used.  LEVEL 3 5+2√3 Q10.If = a - √3b find a and b where a and b are rational numbers. 7+√3 Q11.If a +b +c =5, ab +bc +ac= 10 then prove that 𝑎3 +𝑏 3 + 𝑐 3 -3abc = -25 LEVEL 4 1 Q12.If (x-3) and (x-3 )are both the factors of a𝑥 2 +5x +b then show that a=b Q13.Democracy has given people a powerful right that is to vote. In India every citizen over 18years of age has the right to vote instead of enjoying it as a holiday one must vote if he/she truly wants to contribute to the nation building process and bring about a change. A 5 survey was done in a small area in which √9 + 2𝑥 - √2𝑥voters were men and voters √9+2𝑥 were women. a. Find x if number of men is equal to number of women? b. Which mathematical concept is used? c.𝐹𝑖𝑛𝑑 ∶ 𝑎𝑝 × 𝑎𝑞 71/5 d. Evaluate: 71/3