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Shkiper50 [21]
2 years ago
10

Which equation is a direct variation function? y = 4 y = 1/3x+ 4 y = x y = x3

Mathematics
2 answers:
Aleks04 [339]2 years ago
8 0

Answer:

y=4

Step-by-step explanation:

its asking which one you can answer without any more context, in this case its y=4 because all the other ones evolving x lead to a rabbit hole and will take you in circles.

qwelly [4]2 years ago
6 0

Answer:

y=x

Step-by-step explanation:

direct variation form is y = kx where 'k' is the constant of variation

y=4  This has no 'x' variable

y = 1/3x+4  The constant of variation is 1/3 but then 4 is added, so no direct

y = x³  The 'x' variable must be to the power of one

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Write the equation of a line that has a m= -5 and passes through the point (-1,4)
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Answer:

We have a slope and a point, this way, we do not need to find the slope using two points. We can find the line using the Slope Form to turn it into Slope-Intercept Form, also known as "y = mx + b". We can use the Slope Form which is "y - y1 = m(x - x1)". A coordinate is "(x,y)", so that means, "(-1,4)" means that x = -1 and y = 4. We can substitute y1 for 4 and x1 for -1, and m for -5 since m is the slope. Plugging that information into the Slope Form Formula we get "y - 4 = -5(x - (-1))". We know that a negative with a negative turn positive, so we can use this information to change the formula to "y - 4 = -5(x + 1)". Now we distribute and simplify, these steps are shown below.

y - 4 = -5(x + 1)

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Step-by-step explanation:

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