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1 vote
What is the value of 9x²y-3 for x = 2 and y = 4.

2 Answers

5 votes
9(2)^2(4)-3
= 9(4)(4)-3
= 36 x 4 - 3
= 144 - 3
= 141
User Keith Elder
by
3.5k points
2 votes

Answer:

141

Explanation:

Plug into the expression.

9*2^2*4-3

9*4*4-3

9*16-3

144-4

141

User Chen Peleg
by
3.3k points