Mastering Number Substitution.

If x = 5, what is the value of 2x + 3?

• 10

• 13

• 8

• 15

Substitute a = 4 into the formula 3a - 7. What is the result?

• 5

• -1

• 10

• 2

If b = 10, calculate the value of b^2 - 4b + 1.

• 50

• 81

• 40

• 61

Given c = 6, what is the value of 5c + 2?

• 32

• 28

• 30

• 34

If d = 3, find the value of 4d^2 - d + 1.

• 20

• 30

• 25

• 34

Substitute m = 8 into the equation 2m + 5. What do you get?

• 15

• 21

• 18

• 25

If n = 12, what is the value of 3(n - 4)?

• 20

• 30

• 15

• 24

Given p = 2, calculate the value of p^3 + 3p - 1.

• 15

• 10

• 13

• 8

If q = 7, what is the result of 10 - 2q + 5?

• 5

• 15

• 1

• -1

Substitute r = 9 into the formula 6r - 3. What is the answer?

• 72

• 51

• 60

• 45