Evaluate Algebraic Expressions with Substitution Negative and Positive Numbers

6a - 3d
when a = 1, d = 2

• 3

• 12

• 1

• 0

2x + 3 + x²; for x = 4

• 17

• 27

• 19

• 25

8y + 12 - 2z
for y = 4 and z = 2

• 40

• 20

• 84

• 34

Evaluate when x = 2 and y = 5:
2 + (12 - 5x) ⋅ 2y

• 22

• 40

• 142

• -86

a² - b²
Evaluate if a=4 and b =2

• 4

• 20

• -4

• 12

The expression 7h + 1.50d can be used to find the total earnings after h hours and d deliveries have been made.  How much will Sally make after working 10 hours and making 3 deliveries?

• $74.50

• $36

Evaluate 7y - 3y for y=2

• 40

• 73

• 8

• 4

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

Let x = 2 and y = 3. Evaluate 3x - 4y.

• 6

• -6

• 2

• -2

Evaluate 4n - n² for n = -3.

• -21

• -3

• 8

• -7