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maxonik [38]
3 years ago
8

please I really really need help Find the equation of the straight line that passes through these points: (-1, -3) and (2, 3) ​

Mathematics
2 answers:
Levart [38]3 years ago
7 0

Step-by-step explanation:

m = (3+3)/(2+1)=6/3=2

equation :

y-y1=m(x-x1)

y+1= 2(x+3)

y+1=2x+6

y=2x+6-1

y=2x+5 or 2x-y+5=0

marta [7]3 years ago
6 0

Answer:

y=2x+b

Step-by-step explanation:

m=y2-y1/x2-x1

=3--3/2--1

=6/3

=2

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Select the correct word to describe the function. the equation y = startfraction 5 x cubed over 8 endfraction represents functio
balandron [24]

The functions and their descriptions are:

  • Polynomial: y = \frac{5x^3}{8} and y = 5x^3 + 8
  • Logarithm: y = 6 + 0.25\ln(x)
  • Exponential y = \frac{18}{1 + 6e^{-0.25x}}

<h3>How to describe the functions?</h3>

The functions are given as:

y = \frac{5x^3}{8}

y = 6 + 0.25\ln(x)

y = \frac{18}{1 + 6e^{-0.25x}}

y = 5x^3 + 8

The functions would be described based on the type of function they represent.

Functions that use the "ln" keyword are logarithmic functions, while functions that use the "e" keyword are exponential functions.

Read more about functions at:

brainly.com/question/4025726

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7 0
2 years ago
I need help only on number 3
DochEvi [55]
Gaps have no data in them. So the range 1-2 is a gap.

Clusters are groups of data that are right next to each other.

So the range 3-6 on your dot plot is a cluster, because there is a group of data there with no gaps.

Peaks are the greatest amount of data in the dot plot. 0 and 5 are the peaks because they both have the most data, 4.

8 0
3 years ago
PLS HELP I'LL MARK BRAINLIEST
Elis [28]

Answer:

Domain: (-∞, -5) ∪ (-1, ∞)

Step-by-step explanation:

Note:

For f(x) > 0: See the points of x for which the graph of f(x) lies above the x-axis.

For f(x) < 0: See the points of x for which the graph of f(x) lies below the x-axis.

We need to find the domain of f(x) for which f(x) < 0

From the graph, we can tell:

f(x) < 0 on (-∞, -5) ∪ (-1, ∞)

Therefore: The domain on which the given graph f(x) is negative, is (-∞, -5) ∪ (-1, ∞)

6 0
2 years ago
Shirley estimated the length of a board to be 18 inches. The actual length is 23 inches. To the nearest tenth of a percent, what
artcher [175]

The percent error of Shirley's estimate is 21.74%

<h3>Calculating pecent error</h3>

Given the following parameters

  • Actual length = 23 inches
  • Estimated length = 18in

% error = actual-estimated/actual * 100

% error = 23-18/23 * 100

% error  = 500/23

% error = 21.74%

Hence the percent error of Shirley's estimate is 21.74%

Learn more on percent error here: brainly.com/question/5493941

5 0
2 years ago
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Two lines, A and B, are represented by the following equations:
almond37 [142]

Answer:

D.

Step-by-step explanation:

The solution is where the lines intersect which is at the point (3,2).

So the answer is Option D.

The point (3,2) satisfies both equations.

4 0
4 years ago
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