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Lynna [10]
3 years ago
6

Graph y= -3/2x-3. could someone please help me. i dont know how to do this :((

Mathematics
1 answer:
grandymaker [24]3 years ago
8 0
You first have to simplify the equation which will get you to y=2x+9
Then you have to graph the equation
Formula:y=mx+b
m = the slope
b = y-intercept
You first start out with the point (0,9) and go up 2 and right 1 or you could do the opposite which would be down 2 and left 1. So some of the points would be (-6,-3) (-5,-1) (-4,1) (-3,3) (-2,5).
And it would form a line
I hope this helped!
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PART A:

The given quadratic equation is 2x²-10x-8=0

The radicand is given by b²-4ac where a, b, and c are the constants in a quadratic form ax²+bx+c

From the given equation, we have
a = 2
b = -10
c = -8

Radicand b²-4ac = (-10)² - 4(2)(-8) = 100 + 64 = 164

The radicand is >0 hence the quadratic equation has two distinct roots

PART B:

4x²-12x+5 = 0

We can use the factorization method to solve the equation
Firstly, we multiply 4 by 5 to get 20
Then we find the pair of numbers that multiply gives 20 and sum gives -12

The pair of number is -2 and -10
Rewriting the equation 
4x²-2x-10x+5 = 0
2x(2x-1)-5(2x-1) = 0
(2x-1)(2x-5) = 0

2x-1 = 0 and 2x-5 = 0
x = 1/2 and x = 5/2
6 0
4 years ago
after 2/5 of the kittens were given away, there was k kittens and p puppies left in the pet store. write and algebraic expressio
Rufina [12.5K]

Answer:

Algebraic expression in terms of k

     k= T- p

Step-by-step explanation:

As

no of kittens left = k

no of puppies left =p

If total left after giving away kittens  =T

T = p + k

In terms of k the expression will be

k= T- p

Keywords: Algebra

Learn more about algebra at:

  • brainly.com/question/3739260
  • brainly.com/question/13168205
  • brainly.com/question/9607945

#learnwithBrainly

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3 years ago
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svlad2 [7]

Answer:

See the three attached images.

Step-by-step explanation:

image1 shows the intersection of b and c:  b \cap c. (green "football")

image2 shows the <u>complement</u> of a (outside a):  a'  (yellow)

image3 shows the intersection of those sets:  a'\cap (b\cap c) (green "football with a bite out of it")   :-)

3 0
3 years ago
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The length of each
aleksley [76]

Answer:

15 inches

Step-by-step explanation:

Suppose length of original square is L inches.

Now, to form a new square the length increases by 2.5 inches

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Given that, perimeter of new square =70 inches.

Formula:-

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Therefore 70=4*(L+2.5)

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                  L=15 inches

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Answer:

1

Step-by-step explanation:

I guessed on the problem and it was right

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