evaluate using substitution

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9
• 38
• -38
• -9

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

Simplify if w = -4

-7w² + 2w

• 104

• -64

• -120

• 120

Evaluate: 10 - (3h + 2) for h = 3

Mathematical Equivalence

ON

Evaluate: 3x² - 10x + 3 for x = -4

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Work out the value of the expression when x = 3, y = – 2 and z = – 4.

• -3
• 4
• 3
• -4

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Evaluate ab - cd when a = 3, b = -4, c =1 and d = -1

• -11
• 11
• 10
• 13