Proportional Equations

Proportional Equations

​Make sure you have these notes in your notebook!

Multiple Choice

Does the equation $$y=4.44x$$ represent a proportional relationship?

• Yes, it is proportional

• No, it is not proportional

Multiple Choice

Does the equation $$y=3x\ -5$$ represent a proportional relationship?

• Yes, it is proportional

• No, it is not proportional

Multiple Choice

Does the equation $$s=\frac{1}{2}f$$ represent a proportional relationship?

• Yes, it is proportional

• No, it is not proportional

Multiple Choice

Does the equation $$m=0.13h$$ represent a proportional relationship?

• Yes, it is proportional

• No, it is not proportional

Multiple Choice

Does the equation $$c=7t+10$$ represent a proportional relationship?

• Yes, it is proportional

• No, it is not proportional

Dropdown

The equation y = 2.25c​

Select answer

.

Dropdown

The equation y = 3x - 2

Select answer

.

Dropdown

The constant of proportionality for the equation j = 2.24k - 3​

Select answer

.

Dropdown

The constant of proportionality for the equation L = 8.22M ​

Select answer

.

Match

Match each equation with it's correct constant of proportionality (k).

• $$a=3.22b$$

• $$c=\frac{1}{2}d$$

• $$e=2f$$

• $$g=\frac{h}{3}$$

• $$L=\frac{1}{3}m\ +2$$

Not proportional

• $$k=3.22$$

• $$k=\frac{1}{2}$$

• $$k=2$$

• $$k=\frac{1}{3}$$

• Not proportional

Match

Match the following

• A proportional equation with a constant of proportionality of $$\frac{1}{2}$$ .

• A proportional equation with a constant of proportionality of $$7.32$$ .

• A proportional equation with a constant of proportionality of $$8$$ .

• A proportional equation with a constant of proportionality of $$\frac{1}{9}$$ .

• $$f=\frac{1}{2}g$$

• $$m=7.32n$$

• $$p=8r$$

• $$y=\frac{x}{9}$$

Dropdown

If the equation includes addition or subtraction​, ​

Select answer

, and the constant of proportionality​

Select answer

.

Dropdown

If the equation is in the form y = kx ​, ​

Select answer

, and the constant of proportionality ​

Select answer

.

Math Response

What is the constant of proportionality for the equation $$y=3x$$

Type answer here

Correct Answer: 3

Deg^°

Rad

Multiple Select

Select ALL equations that represent a proportional relationship.

• $$a=\frac{5}{b}$$

• $$c=\frac{d}{5}$$

• $$f=5g$$

• $$h=5.22j+3$$

• $$k=\frac{1}{6}m$$

Multiple Select

Select ALL equations that DO NOT represent a proportional relationship.

• $$a=\frac{5}{b}$$

• $$c=\frac{d}{5}$$

• $$f=5g$$

• $$h=5.22j+3$$

• $$k=\frac{1}{6}m$$

Multiple Select

Select ALL equations that DO NOT represent a proportional relationship.

• $$x=\frac{1}{3}y+\frac{1}{3}$$

• $$y=\frac{2}{x}$$

• $$f=5g$$

• $$a=3b\ +\ 2$$

• $$k=\frac{1}{6}m$$

Multiple Select

Select ALL equations that represent a proportional relationship.

• $$m=3n$$

• $$s=\frac{1}{5}f$$

• $$m=2.12n+2.12$$

• $$f=5g+2$$

• $$y=\frac{2}{11}x$$

Multiple Choice

What does k represent in the equation y = kx?

• a letter

• the constant of proportionality

• the answer

• nothing

• the input

Multiple Choice

Which equation represents a proportional relationship?

• $$y=\frac{1}{2}x+\frac{1}{2}$$

• $$y=\frac{x}{3}$$

• $$y=\frac{3}{x}$$

• $$y=5x-1$$