Introduction to Polynomials
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Define algebraic expressions and identify polynomial terms, coefficients, and degree
SubtopicDefine algebraic expressions and identify polynomial terms, coefficients, and degree under Introduction to Polynomials for Grade 9 CBSE.
Preview questions (no answers)
- 1.
If , then is:
A.7
B.0
C.2
D.-2
- 2.
What is the degree of the polynomial ?
A.1
B.0
C.100
D.99
- 3.
Find the value of at .
A.-1
B.0
C.1
D.4
- 4.
The exponent of the variable in any term of a polynomial must be a:
A.Negative integer
B.Rational number
C.Whole number
D.Irrational number
- 5.
Evaluate using the identity .
A.9984
B.9916
C.10016
D.9884
- 6.
If is a factor of , then must be:
A.Any even integer
B.Any odd integer
C.Any negative integer
D.Any real number
- 7.
Factorize .
A.(x - y/10)(x - y/10)
B.(x + y/10)(x + y/10)
C.(x - y/10)(x + y/10)
D.(x - y/100)(x + y/100)
- 8.
If , find the value of .
A.4
B.3
C.-6
D.-12
- 9.
Factorize the polynomial .
A.B.C.D. - 10.
Factorize the expression .
A.B.C.D.
Download the worksheet for Introduction to Polynomials - Define algebraic expressions and identify polynomial terms, coefficients, and degree to practice offline. It includes additional chapter-level practice questions.
Model real-life linear situations using linear polynomials and expressions
SubtopicModel real-life linear situations using linear polynomials and expressions under Introduction to Polynomials for Grade 9 CBSE.
Preview questions (no answers)
- 1.
A monthly gym membership costs plus for every personal training session. What is the cost for sessions?
A.B.C.D. - 2.
A car has liters of fuel and uses liters per km. How much fuel is left after km?
A.B.C.D. - 3.
A rectangle has a perimeter of cm. If the length is cm, what is the linear expression for its width?
A.B.C.D. - 4.
If a shirt costs rupees and a discount of is given, what is the final price?
A.B.C.D. - 5.
A concert organizer charges βΉ1,200 per ticket and has to pay βΉ20,000 for the venue. Find the linear polynomial for the profit if tickets are sold.
A.B.C.D. - 6.
A person pays for pens costing βΉ8 each with a βΉ100 note. Find the linear polynomial representing the change received.
A.B.C.D. - 7.
A square garden has a side length of . If a 3-meter wide path is removed from one side of the perimeter, find the linear polynomial for the remaining length of the boundary.
A.B.C.D. - 8.
A companyβs profit (P(n)) in dollars for selling (n) units is given by (P(n) = 25n - 1500). If the cost to produce each unit is $10, find the linear polynomial representing the total revenue (R(n)) from selling (n) units. (Assume Revenue = Profit + Cost).
A.B.C.D. - 9.
A gardener charges $30 for a visit plus $25 per hour. If the total bill was $117.50, find the linear polynomial (C(h)) for the cost and solve for the time (h) spent by the gardener.
A.3 hours
B.3.5 hours
C.4 hours
D.2.5 hours
- 10.
Two cities are 300 km apart. A car leaves City A at 60 km/h. At the same time, another car leaves City B at 40 km/h traveling towards City A. Find the linear polynomial (D(t)) representing the distance between the two cars after (t) hours. At what time (t) will they meet?
A.2 hours
B.2.5 hours
C.3 hours
D.3.5 hours
Download the worksheet for Introduction to Polynomials - Model real-life linear situations using linear polynomials and expressions to practice offline. It includes additional chapter-level practice questions.
Recognise and generalise linear patterns from tables, sequences, and contexts
SubtopicRecognise and generalise linear patterns from tables, sequences, and contexts under Introduction to Polynomials for Grade 9 CBSE.
Preview questions (no answers)
- 1.
Find the constant in the rule if when .
A.1
B.2
C.3
D.0
- 2.
What is the next term in the sequence ?
A.1.31
B.1.4
C.2.0
D.1.5
- 3.
If , what is when ?
A.20
B.5
C.12
D.8
- 4.
What is the term for the sequence ?
A.B.C.D. - 5.
The height of a stack of identical cookies is given by cm. What is the height of one cookie and the thickness of the base of the container?
A.Cookie: , Base:
B.Cookie: , Base:
C.Cookie: , Base:
D.Cookie: , Base:
- 6.
Find the -th term for a sequence where the first term is and the second term is .
A.B.C.D. - 7.
The values in a table are . What is the linear equation for this data?
A.B.C.D. - 8.
If is a linear polynomial and , what is the sum of the coefficients of ?
A.1
B.2
C.3
D.4
- 9.
A sequence of figures is made of blocks. Figure 1 has 10 blocks, Figure 2 has 17 blocks, Figure 3 has 24 blocks. How many blocks will be in Figure ?
A.7n + 3
B.10n + 7
C.7n + 10
D.8n + 2
- 10.
In a science experiment, the volume of a gas at constant pressure is a linear polynomial of its temperature (). If at and at , find the value of .
A.0.2
B.0.4
C.0.5
D.2.5
Download the worksheet for Introduction to Polynomials - Recognise and generalise linear patterns from tables, sequences, and contexts to practice offline. It includes additional chapter-level practice questions.
Model linear growth and decay in practical scenarios using equations
SubtopicModel linear growth and decay in practical scenarios using equations under Introduction to Polynomials for Grade 9 CBSE.
Preview questions (no answers)
- 1.
A shop sells juice. A ml bottle is being used to fill cups of ml each. Find the polynomial for the volume left in the bottle after cups are filled.
A.B.C.D. - 2.
A cooling system reduces the temperature by per hour. If the starting temperature is , find the polynomial for the temperature after hours.
A.B.C.D. - 3.
A person walks at a constant speed of km/h. If they have already walked km, find the polynomial for the total distance after additional hours.
A.B.C.D. - 4.
A forest has trees. Due to a disease, trees die each year. Find the polynomial for the number of trees left after years.
A.B.C.D. - 5.
A bank account earns simple interest of βΉ every month on a principal of βΉ. Which polynomial represents the total amount in the account after months?
A.B.C.D. - 6.
The cost of a phone call is a connection fee of βΉ plus βΉ per minute. Which polynomial represents the cost of an -minute call?
A.B.C.D. - 7.
A pool is filled with gallons of water. It is being drained at gallons per hour. How many hours will pass until gallons remain?
A.10 hours
B.15 hours
C.20 hours
D.25 hours
- 8.
A worker is paid per day for a normal -hour shift and per hour for overtime. If he earned in a -day week, how many total overtime hours did he work?
A.12.33 hours
B.11 hours
C.14 hours
D.12.5 hours
- 9.
An oil tank is full. After adding liters, it becomes full. How many more liters are needed to fill the tank completely?
A.118.4 liters
B.120 liters
C.105.5 liters
D.112.5 liters
- 10.
A courier service charges for the first grams and for each additional grams. A parcel weighs kg. Calculate the total shipping cost.
A.B.C.D.
Download the worksheet for Introduction to Polynomials - Model linear growth and decay in practical scenarios using equations to practice offline. It includes additional chapter-level practice questions.
Interpret slope and y-intercept to visualise linear relationships in y = ax + b
SubtopicInterpret slope and y-intercept to visualise linear relationships in y = ax + b under Introduction to Polynomials for Grade 9 CBSE.
Preview questions (no answers)
- 1.
What is the slope of the line ?
A.100
B.0
C.1
D.x
- 2.
In the polynomial , what is the value of ?
A.-7
B.7
C.1
D.0
- 3.
If a line has a slope of and a y-intercept of , its equation is:
A.y = 3x
B.y = 0
C.y = 3
D.x = 3
- 4.
What is the slope of the line ?
A.7
B.3
C.1/3
D.1
- 5.
A line is given by . If it passes through , what is the value of ?
A.0.5
B.-0.5
C.1
D.-1
- 6.
If has and , what is the x-coordinate when ?
A.2
B.-2
C.5
D.10
- 7.
What is the slope of a line that passes through the origin and the point ?
A.2
B.-2
C.0.5
D.-0.5
- 8.
If the linear polynomial satisfies and , find .
A.1
B.2
C.3
D.4
- 9.
The distance between the -intercept and -intercept of the line is:
A.5
B.7
C.D.4
- 10.
If the graph of is parallel to the -axis, find the -intercept.
A.2
B.0
C.1
D.-1
Download the worksheet for Introduction to Polynomials - Interpret slope and y-intercept to visualise linear relationships in y = ax + b to practice offline. It includes additional chapter-level practice questions.