Evaluate the algebraic expression : 9+2(x−7)^2 when x=9?
回答 (2)
2017-01-17 2:44 pm
When x = 9 :
9 + 2 (x - 7)²
= 9 + 2 (9 - 7)²
= 9 + 2 * 2²
= 9 + 2 * 4
= 9 + 8
= 17
9 + 2 (x - 7)²
= 9 + 2 (9 - 7)²
= 9 + 2 * 2²
= 9 + 2 * 4
= 9 + 8
= 17
2017-01-17 2:47 pm
17...assuming ^ means "to the power"(Sorry i might be wrong abt what it means since i don't use that symbol)
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