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balu736 [363]
3 years ago
13

Which Quadratic equation is equivalent to (x-4)^2-(x-4)-6=0

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0

For this case, we must find the quadratic equation equivalent to:

(x-4) ^ 2- (x-4) -6 = 0

By definition we have to:

(a-b) ^ 2 = a^2-2ab + b ^ 2

So:

(x-4) ^ 2 = x ^ 2-2 (x) (4) + 4 ^ 2 = x ^ 2-8x + 16

So, we have:

- * + = +\\- * - = +

x ^ 2-8x + 16-x + 4-6 = 0

Equal signs add up and the same sign is placed.

Different signs are subtracted and the sign of the major is placed.

x ^ 2-9x + 14 = 0

Answer:

x ^ 2-9x + 14 = 0

MrMuchimi3 years ago
5 0

Answer:

x²-9x+14 is the quadratic equation.

Step-by-step explanation:

We have given the equation:

(x-4)²-(x-4)-6=0

We have to find the quadratic equation equivalent to the given equation.So,

(x-4)²-(x-4)-6=0

As we know that, (a-b)²=a²+b²-2ab  then we get,

x²+16-8x-x+4-6=0

x²-9x+14=0

x²-9x+14 is the quadratic equation equivalent to (x-4)²-(x-4)-6=0

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The region bounded by y=(3x)^(1/2), y=3x-6, y=0
Ganezh [65]

Answer:

4.5 sq. units.

Step-by-step explanation:

The given curve is y = (3x)^{\frac{1}{2} }

⇒ y^{2} = 3x ...... (1)

This curve passes through (0,0) point.

Now, the straight line is y = 3x - 6 ....... (2)

Now, solving (1) and (2) we get,

y^{2} - y - 6 = 0

⇒ (y - 3)(y + 2) = 0

⇒ y = 3 or y = -2

We will consider y = 3.

Now, y = 3x - 6 has zero at x = 2.

Therefor, the required are = \int\limits^3_0 {(3x)^{\frac{1}{2} } } \, dx - \int\limits^3_2 {(3x - 6)} \, dx

= \sqrt{3} [{\frac{x^{\frac{3}{2} } }{\frac{3}{2} } }]^{3} _{0} - [\frac{3x^{2} }{2} - 6x ]^{3} _{2}

= [\frac{\sqrt{3}\times 2 \times 3^{\frac{3}{2} }  }{3}] - [13.5 - 18 - 6 + 12]

= 6 - 1.5

= 4.5 sq. units. (Answer)

7 0
3 years ago
The original price of a pair of jeans is $32 the sales price 15% off the original price what is the amount off the original pric
ivolga24 [154]

$32+15%=32.15

Hope this helps ^_^

3 0
3 years ago
Sally's soccer team played 25
pantera1 [17]

Answer:

64%

Step-by-step explanation:

25 - 9 = 16, so 16 of the games were won by Sally's team.

16/25 = 64% of the games were won

6 0
2 years ago
Can someone plz help me with this
Levart [38]
D.
None of the above. Because your expression would be, 2 + 0.75 x 6.
Hope it helps. ;)
7 0
3 years ago
Assignment: Using Prime Factorization Investigation
damaskus [11]

Answer:

  1. 3(2 +7)
  2. 9(3 +5)
  3. 16(2 +3)
  4. 15(2 +5)
  5. 8(11 +3)

Step-by-step explanation:

  1. 6 + 21 = 2·3 + 3·7 = 3(2 +7)
  2. 27 + 45 = 3^3 + 3^2·5 = 9(3 +5)
  3. 32 + 48 = 2^5 + 2^4·3 = 16(2 +3)
  4. 30 + 75 = 2·3·5 + 3·5^2 = 15(2 +5)
  5. 88 + 24 = 2^3·11 +2^3·3 = 8(11 +3)

In each case, the factor outside parentheses is the greatest common factor, the product of the prime factors common to both numbers. When the same factor has different powers, the least power is the common factor.

3 0
3 years ago
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