Introduction to Linear Polynomials

Group 1

100

1. Which of the following is a variable?

A) 5
B) x
C) 7
D) 10

B) x

200

2. In the expression 7+x which is the coefficient of x?

A) 0
B) 7
C) 1
D) x

C) 1

300

3. Which expression has the same variable but a different coefficient from 4x+3 

A) 4x−5
B) 6x+2
C) 4y+2
D) 3y−1

B) 6x+2

Group 2

100

1. In the expression 3x+53x + 53x+5, which is the constant term?

A) 3
B) x
C) 5
D) 3x

C) 5

200

2. Which of the following expressions has no constant term?

A) 5x+35
B) 2y−7
C) 4a
D) x+1

C) 4a

300

3. Which expression contains a negative coefficient?

A) 5x+3
B) 7a−2
C) −4y+6
D) 8m+1

C) −4y+6

Group 3

100

1. How many terms are there in x+4x + 4x+4?

A) 1
B) 2
C) 3
D) 4

D) 4

200

2. In the expression −9m+4, the coefficient of -m is:

A) 9
B) -9
C) 4
D) m

A) 9

300

3. A student writes the expression 3x+4y+5. How many terms, variables, and constants are present?

A) 2 terms, 2 variables, 1 constant
B) 3 terms, 2 variables, 1 constant
C) 3 terms, 1 variable, 2 constants
D) 4 terms, 2 variables, 1 constant

B) 3 terms, 2 variables, 1 constant

Group 4

100

1. Which of the following is a constant?

A) y
B) a
C) 12
D) x

C) 12

200

2. Which expression has coefficient 1?

A) x+5
B) 2x+5
C) 5x+1
D) 10x

A) x+5

300

3. Which of the following statements is true for the expression 7p−9?

A) 7 is the variable
B) p is the coefficient
C) –9 is the constant term
D) There is no constant term

C) –9 is the constant term

Group 5

100

1. In 5x, the coefficient of x is:

A) 5
B) x
C) 0
D) 1

A) 5

200

2. Which statement is incorrect?

A) A variable can take different values.
B) A constant has a fixed value.
C) A coefficient is always positive.
D) A term may contain a variable.

C) A coefficient is always positive.

300

8. If the coefficient of a variable is doubled, which expression could be formed from 3x+4?

A) 3x+8
B) 6x+4
C) 9x+4
D) 6x+8

B) 6x+4