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Relationship B has a greater rate than Relationship A. The graph represents Relationship A.

Which equations could represent Relationship B?

Choose all answers that are correct.
A. y = 3/4x

B. y = 0.6x

C. y = 2/3x

D. y = 1/4x

Help Meh



Relationship B Has A Greater Rate Than Relationship A The Graph Represents Relationship A Which Equations Could Represent Relationship B Choose All Answers That class=

Sagot :

we know that

The rate of the Relationship is the slope of the function

so

Find the slope of the Relationship A

the slope is equal to

[tex] m=\frac{(y2-y1)}{(x2-x1)}[/tex]

we have the points

[tex] (4,2)\ and\ (8,4)[/tex]

Substitute in the formula above to find the slope

[tex] m=\frac{(4-2)}{(8-4)}[/tex]

[tex] m=\frac{2}{4}=0.5[/tex]

Compare the value of the rate of the Relationship A with each case

case a)

[tex] y = (3/4)x[/tex]

In this case the rate of the equation is equal to [tex] \frac{3}{4}[/tex]

Compare with the rate of the Relationship A

[tex]\frac{3}{4}>\frac{2}{4}[/tex]

therefore

[tex] y = (3/4)x[/tex] -----> This equation could represent Relationship B

case b)

[tex]y = (0.6)x[/tex]

In this case the rate of the equation is equal to [tex] 0.6 [/tex]

Compare with the rate of the Relationship A

[tex] 0.6 > \frac{2}{4}[/tex]

[tex] 0.6 > 0.5[/tex]

therefore

[tex] y = (0.6)x[/tex] -----> This equation could represent Relationship B

case c)

[tex] y = (2/3)x[/tex]

In this case the rate of the equation is equal to [tex] (2/3)[/tex]

Compare with the rate of the Relationship A

[tex] \frac{2}{3} >\frac{2}{4}[/tex]

Multiply by [tex] 12[/tex] both sides

[tex] 8 > 6[/tex]

therefore

[tex] y = (2/3)x [/tex] -----> This equation could represent Relationship B

case d)

[tex] y = (1/4)x[/tex]

In this case the rate of the equation is equal to [tex] (1/4)[/tex]

Compare with the rate of the Relationship A

[tex] \frac{1}{4} <\frac{2}{4}[/tex]

therefore

[tex] y = (1/4)x[/tex] -----> This equation could not represent Relationship B

therefore

the answer is

[tex] y = (3/4)x[/tex]

[tex] y = (0.6)x[/tex]

[tex] y = (2/3)x[/tex]

Answer:

A,B,and C

I took the test but if you want a Step-by-step explanation comment below!

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