Direct Proportions!

Finish this sentence:

A proportion is an equation that says two ratios are ...

• Different

• Equivalent

• Wrong

• Letters

We represent Constant of Proportionality by the letter:

• b

• q

• k

• u

 $k=\frac{y}{x}$  is the equation for

• Constant of Proportionality

• Direct Proportion 

• Pythagorean Theorem

Tags

CCSS.7.RP.A.2B

What is the equation for

CONSTANT OF PROPORTIONALITY

• $k=\frac{y}{x}$

• $a^2+b^2=c^2$

• $y=kx$

A DIRECT PROPORTION EQUATION is always represented as...

•  $k=\frac{y}{x}$  

•  $y=kx$  

•  $a^2+b^2=c^2$  

Tags

CCSS.HSF-LE.A.1B

Which of the following represent a ratio?

•  $3\ to\ 2$  

•  $3:2$  

•  $\frac{3}{2}$  

Is y directly proportional to x?

• Yes

• No

Tags

CCSS.HSF-LE.A.1B

How do I find the constant of proportionality? (Select all that apply)

• Divide y by x

• Divide 2 by 1

• Divide 4 by 2

• Divide 6 by 3

What is the constant of proportionality?

• 4

• 6

• 2

Does the table show a direct proportion?

• Yes

• No

Tags

CCSS.7.RP.A.2A