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pickupchik [31]
3 years ago
13

Which equation is a linear function? y=2^x -1 y=x/2-5 y=2/x +3 y=x^2 +7

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

Answer:

Second Choice.

Step-by-step explanation:

y = mx + b

That is the linear function. Any coefficients with higher degrees won't be considered as a linear function.

So we can cut out the first and last choice.

Then we have only two choices which are

y =  \frac{x}{2}  - 5 \\ y =  \frac{2}{x}  + 3

The second equation is called <u>Rational</u><u> </u><u>Function</u><u> </u>where a variable is a denominator.

Therefore, the correct answer is second choice.

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If the measure of angle ACB is 65 degrees, find the measure of angle BCD
jolli1 [7]

Answer:

the answer is 25

Step-by-step explanation:

you take 65 and add 90 to it because there is an angle that is 90 and you should get 115 then you take 115 and subtract it from 180. and you will get 25 and 25 is your answer.

hope this helped!

p.s it would be cool if you gave me brainliest.

6 0
3 years ago
What is a ratio that compares two quantities measured in different units
Lisa [10]
A ratio that compares two quantities measured in different units is a conversion factor!
8 0
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Find the distance between (2, 2) and (-4, 4). Round answer to the nearest tenth.
Naya [18.7K]

Answer:

6.3

Step-by-step explanation:

First off, we need the distance formula, which is:

\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

If we plug in the points, we get:

\sqrt{(-4 - 2)^2 + (4 - 2)^2}

If we simplify everything under the square root, we get:

\sqrt{(-6)^2 + (2)^2}

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\sqrt{40}

In decimal, the answer is 6.3

6 0
3 years ago
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MrRa [10]

Answer:

2) 11

3) 21

4) 7

Step-by-step explanation:

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3) 19 - (-2) = 19 + 2 = 21

4) (-13) + 20 = 20 - 13 = 7

6 0
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I am confused my teacher helped on the first problem but the rest didn't make sense any idea's?
Dovator [93]
2. The three points you need to mark on this graph are (1,2) (2,3) and (4,5); you then draw a line through all of these points and determine whether the inches of rainfall is proportionate to the number of hours. 

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