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Serggg [28]
3 years ago
13

Tell whether x and y show direct variation y=3x

Mathematics
1 answer:
bija089 [108]3 years ago
4 0

Answer:

Yes, they do

Step-by-step explanation:

Yes, y = 3x represents direct variation.  The fact that the line (graph) of y = 3x goes through the origin (0,0) reinforces this statement.

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Use a graphing calculator to graph the function and its parent function. Then describe the transformations, f(x)=(x+3)+1/4​
nlexa [21]

Most of the graphing resources used shows that the graph is translated up by 3.25 (3 + 1/4). If you add the 3 and the 1/4, you get the equation of a line:

f(x) = x + 3.25,

which means that the graph of f(x)= x now has a y intercept of 3.25.

The graphs are below. The red line represents f(x) = x, and the green line represents (x+3)+1/4. Hope this helps!

8 0
3 years ago
Question
Gnoma [55]

Given parameters:

     y varies directly as w;

   This interpreted implies that as y increases, we increases by a certain factor or amount;

    So,  y ∝  w

           y  = kw

   where k is the constant of proportionality

Now, given that y  = 8 and w = 2

Input in the equation to solve for k;

               8 = k x 2

     Solving k gives, k = 4

Now to the second part,

          if v is directly proportional to w;

                v  = k w

        So   v  = 4w

The equation that relates v to w is v = 4w

3 0
3 years ago
I need help on finding m
EastWind [94]

Answer:

39°

Step-by-step explanation:

\angle RUS +\angle SUT = \angle RUT\\\\5x-4+3x+6 = 90\\\\8x+2=90\\\\8x=88\\\\x=11

and now for SUT

\angle SUT = 3(11)+6= 33+6 = 39

4 0
2 years ago
Read 2 more answers
Choose the equation that best represents the general form of the following expression. x^2/2 = 7x. - x2 + 14x + 0, x2 + 14x = 0,
kogti [31]
Cross multiplying we get
x^2 = 2*7x
x^2 = 14x
x^2 - 14x = 0  is the answer
6 0
2 years ago
Read 2 more answers
Which equation represents a circle that contains the point (-5. -3) and has a center at (-2, 1)?
nlexa [21]
The answer for this is b. Trust me on this
4 0
3 years ago
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