Algebraic Expressions in One Variable

Evaluate the expression for m = 10.

11m

• 110

• 21

• 100

• 1110

What is 11z - 12z

• 1z

• -1z

• z

• -z

Identify like terms from following-

• 1x,234z,2z

• 12z,12x,12y

• 11x,43x,560x

Identify the unlike terms from following-

• 12x,23,x,34x

• 123a,89x,98y

• 2,2,2

Who am I?

My value is not fixed and changes.

• Constant

• Variable

Identify the numerical coefficient of 1489xyz

• 1489

• xyz

−8(−5b + 7) + 5b

• 45b − 56

• -35b + 7

• -45b + 56

• 10b - 1

−7(k − 8) + 2k

• -5k - 56

• -5k - 8

• 10k - 7

• −5k + 56

b − 3 + 6 − 2b

• -b + 3

• 3b + 9

• b + 3

• -3b + 3

9 + 5r − 9r

• 4r + 9

• -4r - 9

• -4r + 9

• 5r