Algebraic expression quiz

Identify the monomials, binomials, trinomials and quadrinomials from the following expressions:

( i ) x³ + y³ + z³ + 3xyz

• Binomial

• Quadrinomials

• Monomial

• Trinomial

Write the coefficient of x in the following:

( i ) –7xy

• -7xy

• -7

• -7y

• xy

Write the coefficient of x² in the following:

(i) (-3/2) ax² + yx

• -3/2

• yx

• -3/2 a + yx

• -3/2 a

Evaluate each of the following expressions for x = -2, y = -1, z = 3:

(i) x² + y² + z² – xy – yz – zx

• 82

• 21

• 24

• 75

Evaluate each of the following expressions for x = -2, y = -1, z = 3:

(i) (x/y) + (y/z) + (z/x)

• 5/35

• 6/8

• 1/6

• 2/5

Add the following:

(i) 2x²y, – 4x²y, 6x²y, -5x²y

• 2x²y

• – 4x²y

• 6x²y

• -x² y

Add 2x² – 3x + 1 to the sum of 3x² – 2x and 3x + 7.

• 3x² – 3x

• 5x² – 2x + 8

• 2x² + 3x² – 3x

• 3x² – 2x + 3x + 7

Subtract:

(i) 7a²b from 3a²b

• -3xy

• -7a²b

• – 4a²b

• 3a²b

Subtract:

(i) 6x³ −7x² + 5x − 3 from 4 − 5x + 6x² − 8x³

• 6x² – y + 4z + 7

• 5x – 5x + 3 + 4

• – 14x³ + 13x² – 10x +7

• – 8x³– 6x³ + 7x² + 6x²

Simplify each of the following:

(i) 12a²b + 3ba²

• 57 a² b

• 24 a² b

• 15a² b

• 36 a² b