Mathematics, 22.10.2020 20:01 microwave13016
1. Identify and label each of the mathematical properties below.
(Commutative, Associative, Identity, or Distributive)
a + b = b + a (a β’ b) β’ c = a β’ (b β’ c)
(a + b) + c = a + (b + c) a β’ b = b β’ a
n + 0 = n n Γ 1 = n
c(a + b) = ca +cb n Γ· 1 = n
n β 0 = n
2. Simplify each of the expressions below using any combination of the properties above and combining
like terms.
3x + 5 + 6x β 2(2 + 6x)
5(3x + 3) 3x + 5 β 6x + 16
x2
y + 2xy2
+ 3x2
y β 6xy2
+ 4 β 2(2 + 6x) β 5(3x + 3)
8(β14w + 10) β19(10 + 4q) β 13q
4n β 3( β9n + 13) β19 β 7( β17z + 13)
Answers: 2
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The diagram represents the polynomial 4x2 + 23x β 72. what is the factored form of 4x2 + 23x β 72? (4x + 8)(x β 9) (4x β 8)(x + 9) (4x + 9)(x β 8) (4x β 9)(x + 8)
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Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 Β· 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 Β· 2 = 12 7 - 4 = 11 or 6 + 3 = 9
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Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other peopleβs work? b.) have you ever taken credit for somebody elseβs work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody elseβs work? d.) donβt you think it is unethical to take credit for somebody elseβs work?
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1. Identify and label each of the mathematical properties below.
(Commutative, Associative, Identit...
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