3² = -1*3² = -1 * 9 = -9 (order of operations) while (-3)² = (-) = +9 or 9
evaluate: z2...
Mathematics, 11.11.2019 05:31 jaydqueen3155
3² = -1*3² = -1 * 9 = -9 (order of operations) while (-3)² = (-) = +9 or 9
evaluate: z2 – x2 -xy if x = -2, y = 3, and z = -4 ( see section 1.8 for further review)
Answers: 2
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