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1. Find the value of the expression: 3a2 + 4, when a = -4 2. Find the value of the expression: 2a3, when a = -4

1. Find the value of the expression: 3a2 + 4, when a = -4 2. Find the value of the expression: 2a3, when a = -4
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3 votes
1. Find the value of the expression: 3a2 + 4, when a = -4

2. Find the value of the expression: 2a3, when a = -4

asked
User SylvainD
by
7.7k points

1 Answer

2 votes

Explanation:

1. 3a2 + 4

3(-4)2+4

=-24+4

=-20

2. 2a3

2(-4)3

= (3)(−4)(3)

= −36

answered
User Ialm
by
7.8k points
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