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zimovet [89]
2 years ago
10

Find the slope of the line passing through the points (8,-4) and (-7, -4).

Mathematics
2 answers:
Elden [556K]2 years ago
7 0

Hi!

I can help you with joy!

  • If you notice, the y-coordinates of the points are the same.
  • This means the slope of the line is 0, because its rise is 0.
  • Let's use the slope formula:
  • \displaystyle\frac{y2-y1}{x2-x1} \\\displaystyle\frac{-4-(-4)}{7-8}
  • Simplify:
  • \displaystyle\frac{-4+4}{-7-8}
  • Simplify:
  • \displaystyle\frac{0}{1}

<u>Answer:</u>

The slope of the line is 0.

Hope it helps.

Do ask if you have any query.

Enjoy your day.

~Silent~

Tju [1.3M]2 years ago
6 0

Answer:

Step-by-step explanation:

slope=m=(Y2-Y1)/(X2-X1)

As given values

take,   (X1,Y1)=(-7,-4)

          (X2-Y2)=(8,8)

hence   X1=-7  ,  Y1= -4   ,  X2=8  , Y2= 8

putt the values in the above equation of slope we get ,

m=(8-(-4))/(8-(-7)

m=12/15    Ans

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(x-h)²+(y-k)²=r²
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Riley makes a mistake in step 2 while doing her homework. what was her mistake? startfraction x over x squared minus 5 x 6 endfr
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The mathematical mistake that Riley made is that:
"She used the wrong common denominator." (Option A)

<h3>What is a Common Denominator?</h3>

A common denominator is a factor that is similar to all the fractions in the sequence of equations.

Hence the correct answer is:

(2(2x² - 6x + 9))/((x-3) (x-2) (x+3))

See the correct sequence of steps below:

Step One - the Expression is given as:

(x/(x-3)(x-2)) + (3/(x+3))

Step 2 - Find the common denominator and rewrite the expression so that the numerators are above the common denominators.

Hence we have:  (x (x+3) + 3(x-3) (x-2))/(x-3)(x-2)(x+3)

Step 3  Apply the Law of Multiplicative Distribution:

Hence we have  (x² +3x+3x²-9x-6x+16)/(x-3)(x-2)(x+3)

Step 4 -  Collect Like Items

This gives us: (x²+3x²)+(3x-9x-6x)+18/(x-3)(x-2)(x+3)

Step 5 Sort for like coefficients

This gives us:  ((1+3)x² +(3-9-6) * x + 18)/(x-3)(x-2)(x+3)

Step 6 -  check for the sum or difference

This gives us: (4x²+(3-9-6) * x+ 18)/(x-3)(x-2)(x+3)

We simplify and factor the expression to get

(2(2x²-6x+6)/(x-3)(x-2)(x+3).

See the attached for full question.

Learn more about Common Denominators at:

brainly.com/question/542317

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2 years ago
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