Two consecutive even integers have the following property. When the smaller integer is added to three

1 answer:

6 0

The equations is wrong because on the left hand side, you can combine like terms so in total you get 4n+2=5n-2. you can see this equation is wrong. you need the left side to equal to the right, so you can make it 5n-2=5n-2

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Write x2 - 8x + 13 = 0 in the form (x - a)2 = b, where a and b are integers. a.)(x - 4)2 = 3 b.) (x - 3)2 = 2 c.)(x - 2)2 = 1 d.

loris [4]

The answer is a.)(x - 4)2 = 3.

(x - a)² = b can be expressed as:
x² - 2ax + a² = b ⇒ x² - 2ax + a² - b = 0

Our equation is x² - 8x + 13 = 0.
The general formula is x² - 2ax + (a² - b) = 0

Thus:
8x = 2ax and a² - b = 13

Divide both sides of the first equation (8x = 2ax) by x:
8 = 2a ⇒ a = 8 ÷ 2 = 4

Replace a in the second equation (a² - b = 13):
4² - b = 13 ⇒ b = 4² - 13 = 16 - 13 = 3

Now when we have a and b, let's just replace them in the general equation:
(x - a)² = b
(x - 4)² = 3

4 0

3 years ago

Please help me asap

Alex_Xolod [135]

The answer would be C

3 0

2 years ago

I need help finding u if it help x=6 that's all I know

sineoko [7]

Answer:

x = 6 y = 5

Step-by-step explanation: