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yarga [219]
3 years ago
14

How do you solve a quadratic equation by factoring

Mathematics
2 answers:
Darya [45]3 years ago
6 0

Answer:

Step-by-step explanation:

Step 1: Obtain zero on one side and then factor. Step 2: Set each factor equal to zero. Step 3: Solve each of the resulting equations. This technique requires the zero factor property to work so make sure the quadratic is set equal to zero before factoring in step 1.

kow [346]3 years ago
5 0
If were you, i will use trial and error to make it easier :)) [if the number is small,you can use trial and error, but if a big number use quadratic eq. Or divide the big num. to get smaller num.]
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Find the missing value when given the modulus.
kolbaska11 [484]

Solving the complex number, we get the value of the missing value that is ‘a’ = -6

We  have been given the expression as

          |a – i| = √37          (1)

Which is an expression of complex number. The general expression of complex number is given as

    z = x + iy

 where x is the real part and iy is the imaginary part

To find the modulus value, the formula is given by,

  |z| = |x + iy|

   |z| = √[(real part)2 + (imaginary part)2]

 |z| = √(x2 + y2)

According to the question, |z| = √37         (2)

Equating equation (1) and (2), we get

√(a2 + 1) = √37

(a2 + 1) = 37

a2 = 37 – 1

a2 = 36

a = √36

a = ±6

Now value of a can be 6 or -6. We have been given that the modulus is in third quadrant.

Hence the value will be negative. Therefore, the missing value will be -6.

Learn more about complex number here : brainly.com/question/5564133

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3 0
2 years ago
Can someone please help???? BASIC ALGEBRA problem
user100 [1]

Answer:

3.  9x+5+x-7=25

4.  10x-2=25

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Step-by-step explanation:

3.  9x+5+x-7=25

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7 0
3 years ago
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snow_tiger [21]

More than means to add.

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6 0
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Paul [167]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Vadim26 [7]

Answer:

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Step-by-step explanation:

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Please Brainliest :D


3 0
3 years ago
Read 2 more answers
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