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sashaice [31]
4 years ago
11

How many solutions exist for the given equation x^2-4x 4?

Mathematics
1 answer:
Marat540 [252]4 years ago
6 0
Since the equation has degree 2 there must be exactly 2 roots

x²-4x+4=0
(x-2)²=0
x =2

2 is a root of multiplicity 2
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Find the solution(s) for x in the equation below.x^2 - 9x + 20 = 0
IceJOKER [234]

Answer:

0

Step-by-step explanation:

Solve the equation x^2-9x+20=0. First, we need to factorise the equation on the left hand side, this can be done by finding two numbers that add together to make the 'b' coefficient (-9) and multiply to make the 'c' coefficient (20). This will give -5 and -4. Therefore, (x-5)(x-4)=0.

4 0
3 years ago
Read 2 more answers
Complete both transformations below. Then enter the final coordinates of the figure. A (1.-2)
tiny-mole [99]

Applying the transformation rule (x - 2.y + 4) and using the scale factor k = 3 for dilation gives

preimage      translation image     Dilation image

A (1.-2)             A' (-1, 2)                   A'' (-3, 6)  

B (4,-1)             B' (2, 3)                    B'' (6, 9)

C (5.-3)            C' (3, 1)                     C'' (9, 3)

<h3>What is transformation?</h3>

Transformation is a term used in mathematics to refer to the movements made by objects.

Translation refers to a type of transformation that involve a linear movement.

Applying the transformation rule (x - 2.y + 4 ) gives

A (1.-2) = (1 - 2, -2 + 4) = (-1, 2)

B (4,-1) = (4 - 2, -1 + 4) = (2, 3)

C (5.-3) = (5 - 2, -3 + 4) = (3, 1)

preimage        image

A (1.-2)             A' (-1, 2)

B (4,-1)             B' (2, 3)

C (5.-3)            C' (3, 1)

Dilation involves making the image bigger or smaller. In this case K > 1 hence the image is bigger

Using the scale factor k = 3 for dilation rule (kx, ky) gives

A' (-1, 2) = (-1 * 3, 2 * 3) = (-3, 6)

B' (2, 3) = (2 * 3, 3 * 3) = (6, 9)

C' (3, 1) = (3 * 3, 1 * 3) = ( 9, 3)

Learn more on transformation at:

brainly.com/question/29321312

#SPJ1

7 0
1 year ago
If p is the midpoint of xy, xp=8x-2 and py=12x-30, find the value of x
goldenfox [79]
Check the picture below.

surely, you'd know how much that is.

3 0
3 years ago
When constructing an inscribed square, how many lines will be drawn in the circle?
vfiekz [6]
The answer is C. 
There will be 4 lines drawn.
3 0
3 years ago
At birth, the rhino weighed 85 pounds. The rhino gained the same amount of pounds each month for 6 months. After 6 months, the r
Arada [10]

Answer:

68 pounds a month

Step-by-step explanation:

so what i did is subtract 85 because that was the starting weight, now we have 408 I divided 6 (how many months) and got 68.

5 0
3 years ago
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