Expressions Substitutions

In the following expression, which is the variable?

7p + 3

• 7

• p

• +

• 3

In the following expression, which is the coefficient?

7p + 3

• 7

• p

• +

• 3

If n = 6 , m = 3 , and p = 5, evaluate the following expression:

n + m + p

• 635

• 13

• 14

• 90

If n = 6 , m = 3 , and p = 5, evaluate the following expression:

nmp

• 14

• 90

• 635

• 3.5

If n = 6 , m = 3 , and p = 5, evaluate the following expression:

p + n ÷ m

• 3.67

• 635

• 23

• 7

If n = 6 , m = 3 , and p = 5, evaluate the following expression:

m + np

• 33

• 365

• 45

• 13

If n = 6 , m = 3 , and p = 5, evaluate the following expression:

m − n + p

• -8

• 2

• 8

• -2

Match the numerical expression for:

Twice a number diminished by 5

• 2n + 5

• 2n − 5

• 2n x 5

• 2n ÷ 5

Match the numerical expression for: Five less than two times a number is fifteen

• 5 − 2n < 15

• 5 + 2n ÷ 15

• 5 − 2n = 15

• 5 ÷ 2n = 15

Match the numerical expression for:

Five times the sum of n and two

• 5(n ÷ 2)

• 5n + 2

• n + 5 + 2

• 5(n + 2)