1.Write the following sentences as algebra terms or expressions.

a. 5 multiplied by x b. x multiplied by y
c. 4 is added to z d. 3 is subtracted from b
e. 3 times x is added to 4 f. 5 less than 4 multiplied by c
g. x is divided by 3 h. 3 is added to x and the result is divided by 2
i. The number of hours in y days             j. The number of cents in x dollars

2. For each of the following sets, list the two sets of like terms:

(a) {x, 3, 2x, 4, -4x}

(b) {3a, , -3b, -6a, 7b}

(c) {n, 3n2, 4n, 2n2}

3. Simplify, by adding or subtracting like terms:

 

a. 4q − 2q

b. 3x + 2x − x

c. 5ab + 3ab − 2ab

d. 13x4 − 6x4 + 4x4

e. q2 + 3q2 − 2q2

f. 6xy2 − 8xy2 − xy2

4. Simplify:

(a) 5x − 4x + 8y + y

(b) 7h − 5k + 4h + 2k

(c) 2x + 3 + 4x − 7

(d) 10a + 3 − 5a + 12

(e) 4pq − 3qr + 6qp − 5rq

(f) 6ab + 4b − 3b − 2ab

5. Simplify:

(a) 6m 2 − 2m + 4m2

(b) x 2 + 2x − 6 + 3x − 4

(c) x 2 + 4x + 2x 2 + 3x

6. Simplify the following:

a. 3p x 6q

b. 2a x 3b x 4c

c. 3y × 10w x 5z