2.) suppose y varies directly with x, and y= 10 when x= -3. what direct variation equation relates x and y? what is the value of y when x_ -1?

a. y= -3/10 x; 3/10

b. y= 1/10 x; -3/10

c. y= 10/3 x; -10/3

d. y= -10/3 x; 10/3

3.) suppose y varies directly with x, and y=8 when x= -6. what direct variation equation relates x and y? what is the value of y when x= -2?

a. y= -0.75x; 1.50

b. y= -1.33x; 2.67

c. y= 1.33x; -2.67

d. y= 0.13x; -0.25

4.) the equation of the line on the graph below is a direct variation equation. what is the constant of variation?
(it won't let me attach a graph so if you know what the graph is then in advance)

a. 1/4

b. 1/2

c. 3/4

d. 1

5.) for the data in the table, does y vary directly with x? if it does, choose an equation for the direct variation.

x y
8 11
16 22
24 33

a. yes; y = 2.75x

b. yes; y= 0.6875x

c. yes; y = 1.375x

d. no; y does not vary directly with x

    2.) D

    3.) B

    4.) See attached graph

    5.) C

Step-by-step explanation:

2.)

We are told that "y" varies directly with "x"

So the equation is of the form y = K*x

y= 10 when x= -3.

K = 10/-3

Correct answer = D

3.)

We are told that "y" varies directly with "x"

So the equation is of the form y = K*x

y=8 when x= -6.

K = 8/-6 = -4/3 = -1.3333

Correct answer = B

4)

We are told that the equation is a direct variation. In the attached picture I plotted all the possible options, since you didn't attach the corresponding image.

We can see that all graphs are direct variations winth different slopes (constant of variation)

A. K = 0.25

B. K = 0.5

C. K = 0.75

D. K = 1

5)

To find out if y varies directly with x, we divide several points and find the realtion between them

y = K*x

11/8 = K

22/16 = 11/8 = K

33/24 = 11/8 = K

K = 11/8 = 1.375

It is a direct variation

Correct answer = C

a. turk and mcalister

b. howard, mission, and market

c. yes. since streets end some do not cross yet are not parallel to others. example: mcalister and 5th

step-by-step explanation:

parallel lines are lines which do not intersect ever and look a lot like railroad tracks. turk, mcalister and golden gate are examples of these.

intersect are streets which cross each other and a car on one can reach the other. howard, mission, and market intersect with 6th.

skew lines are lines which neither intersect nor are parallel. these lines exist here because some streets end and never intersect another like mcalister and 5th.

1/4 because there is 4 grades.