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Kamila [148]
3 years ago
12

Which equation illustrates the identity property of multiplication? (a + bi) × c = (ac + bci) (a + bi) × 0 = 0 (a + bi) × (c + d

i) = (c + di) × (a + bi) (a + bi) × 1 = (a + bi)
Mathematics
2 answers:
labwork [276]3 years ago
8 0

Answer:

(a + bi) \times 1 = (a + bi)

Step-by-step explanation:

The identity property means that whatever you put in is whatever comes out. Notice that if we multiply 1 with any number, we get that number back. So multiplying by 1 is the identity property of multiplication.

tamaranim1 [39]3 years ago
5 0

Answer:

The answer is (a+bi)*1=(a+bi)

Step-by-step explanation:

The multiplicative identity property says that the product of any number or expression and one is the number or the expression, in this case the expression that meets the property is:

(a+bi)*1=(a+bi)

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What is 1/4 plus 1/3
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Jose makes $10000 a month plus some money by commission rates. He gets 6% of everything he sells. If Jose sold $59000 worth of i
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Answer:

$13540

Step-by-step explanation:

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3x^2 -5x -2=0
Kipish [7]

Answer:

Step-by-step explanation:

1. Find two numbers that add to make the coefficient of x (in this case, -5) and that multiply to make the constant term multiplied by the coefficient of x^2 (in this case, -2 x 3 = -6)

Two numbers that work are -6 and +1

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2. Split the middle term into the two numbers that you found.

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I've put the -6 on the left side because in our next step, when we factorise, it will be easier than having the numbers the other way around.

3. Factorise the left side by taking out common factors from each pair. The pairs I'm talking about here are '3x^2 and -6x', and 'x and -2'

3x (x-2) +1 (x-2) = 0

4. You now have two numbers both being multiplied by the term x-2. We can rearrange this equation to give us two brackets being multiplied by each other.

(3x + 1) (x-2) = 0

5. According to the Null Factor Law, if two terms are multiplied together and the result is 0, then one of those terms must be 0. Make both terms equal to 0 and solve each for x.

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3x = -1                   x = 2

x = -1/3

6. The solutions to this equation are x = 2 and x = -1/3

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