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4 votes
Evaluate 3b2 when b= 4 and when b= - 4.
When b=4, 3b2

2 Answers

3 votes

Answer:

both values are 48

Explanation:

Substitute b = 4 and b = - 4 into the expression

3b²

= 3(4)² = 3 × 16 = 48

= 3(- 4)² = 3 × 16 = 48

User Minoru
by
8.1k points
2 votes

Answer:

24

Explanation:

3 times 4 times 2

3 times 4 is 12

12 times 2 is 24

Hope this helps you

User Curtis Yallop
by
7.5k points
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