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Setler [38]
3 years ago
13

32x - 4 = 4x2 + 60 For the equation shown, choose the description of the solutions.

Mathematics
2 answers:
Over [174]3 years ago
5 0

Answer:

Two real and equal solutions.

Step-by-step explanation:

We have been given an equation 32x-4=4x^2+60. We are asked to find the type of solutions of our given equation.

First of all, we will gather all terms on left side of our equation using opposite operations:

-4x^2+32x-4-60=4x^2-4x^2+60-60

-4x^2+32x-64=0

Dividing our equation by -4 we will get,

x^2-8x+16=0

To determine the type of solutions for our given problem, we will use discriminant formula.

D=b^2-4ac

b = Coefficient of x term,

a = Leading coefficient,

c = Constant term.

Upon substituting our given values in discriminant formula, we will get,

D=(-8)^2-4(1)(16)

D=64-64

D=0

The interpretations for the value of D are as follows:

D=0;\text{ Two real and equal roots}

D>0;\text{ Two real and distinct roots}

D

Since the value of D is equal to 0 for our given equation, therefore, our given equation will have two real and equal roots or solutions.

Furkat [3]3 years ago
3 0
All to one side:

4x^2-32x+64 = 0,

divide by 4:

x^2 -8x + 16 = 0

apply formula or see that it is (x-4)^2!, so only x =4 is a root and it is double.
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2 years ago
The area of a rectangle is 72 cm2. State the dimensions of the rectangle with the least perimeter. Calculate the perimeter.
Nitella [24]
We know that
<span>Of all the rectangles having same area, square has the least perimeter
</span>
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where
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the answer is
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3 years ago
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3 years ago
Slope intercept form of 12x-y=4
Nata [24]

Hey there! :)

Please keep in mind that slope-intercept form is : y=mx+b ; where m=slope, b=y-intercept

Using this, we can isolate y in our original given equation.

12x - y = 4

Start off by subtracting 12x from both sides.

-y = -12x + 4

Divide both sides by -1.

-y ÷ -1 = (-12x + 4) ÷ -1

Simplify!

y = 12x - 4

Therefore, using the slope-intercept form, we can come to the conclusion that because 12 is located in the "m" slot and "m=slope" then 12 is our slope. In addition, -4 is our y-intercept because it is located on the y position.

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Y-intercept = -4

<em>Hope I helped! :) </em>

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