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yarga [219]
3 years ago
8

Which characteristics of a graph tell you that it represents a proportional relationship?​

Mathematics
2 answers:
pochemuha3 years ago
4 0

If a line goes through the origin , then it shows a proportional relationship, at this stage , y intercept is zero.

Step-by-step explanation:

netineya [11]3 years ago
4 0

Answer: Sample Response: You can tell a graph is proportional if the points form a single line and that line passes through the origin. The relationship between input and output figures will also remain the same throughout.

Explanation: It was the sample response but if you don't want it to look the same just be sure to include these ideas:

-The points will form a straight line.

-The straight line will pass through the origin.

-The ratio of input and output is always the same.

Good luck!

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Find the domain and range of the relation. Also determine whether the relation is a function.
OLEGan [10]

Answer:

The relation is a function!

Your Domain should be...

{-1, 1, 7, 9}

Your Range should be...

{-1, 8, 9}

WHY?

Your domain is always your x-coordinates, which are the first coordinates in a pair.

Your range is always your y-coordinates, which are the second coordinates in a pair.

When listing the points, it's important to remain a relation CANNOT be a function if the x's repeat, so luckily, they do not repeat.

Also, when listing points for your range, remember, if they repeat, you should only count one of the numbers, as you can see from the answer, there was two nines, but instead I put one.

5 0
3 years ago
The box and whiskers plot represents the results of the same math test being given to two different classes. According to the bo
densk [106]

Answer: Answer A: Both classes have a range of 45

Step-by-step explanation:

above the two graphs we can see a number line ranging from 50-100

bellow that, we can see 2 box and whisker plots, one for second period and one for fourth period. the larger rectangular boxes show all the number results, the line in between them states the average result. Both lines have starting points at 55 and ending points at 100.

100-55=45   45 being the range. Since 2nd and 4th both share the same range answer A could possibly be correct

B is wrong because 2nd period has a median of 90

C is wrong because no periods have a median of 100

D is wrong because most of the students scored an 85+

conclusion: answer A is correct

4 0
3 years ago
Read 2 more answers
What’s the equation of a slope of 5/7 and a y-intercept of -3
Drupady [299]

Answer:

Step-by-step explanation:

in y = mx + b form, the slope is in the m position and the y intercept is in the b position.

y = mx + b

slope(m) = 5/7

y int (b) = -3

y = 5/7x - 3 <===

8 0
3 years ago
3x multiplied x+7 =?
trasher [3.6K]
3x^2 + 21x
Is the answer without a doubt.
4 0
3 years ago
What is 3/4-5/8?<br> ? Give your answer in its simplest form.
Setler79 [48]

Answer:

1 over 8

1

8

=0.125

Step-by-step explanation:

8 0
2 years ago
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