solving for constant of proportionality | Baamboozle - Baamboozle

English 16 Public

analyzing proportional relationships for missing values

Study Slideshow

What is the constant of proportionality in this table? What is the equation?

COP = 12 y = 12x

Is the equation y=3x a proportional relationship? If it is-what is the constant of proportionality?

Yes- the constant is 3

The point on the graph is (6, 47.94). What is the constant of proportionality?

7.99

What mathematical operation is taking place with a fraction?

DIVISION- divide the numerator by the denominator (how many times does the bottom number go into the top number)

What is an equivalent ratio to 4:6?

2:3. 8:12, 12:18 etc....any ratio that equals 0.6666667 when converted to a decimal

Is this relationship proportional? How do you know?

No! It's not a straight line

Is this relationship proportional? How do you know?

Yes-it's a straight line through the origin

Is this relationship proportional? How do you know?

No-It does not cross the origin

Is the equation y=0.3x a proportional relationship? If it is-what is the constant of proportionality?

Yes- 0.3

Is the equation y = 45x a proportional relationship? If it is-what is the constant of proportionality?

Yes. The constant is 45

What math vocabulary have you learned this unit which you should use in your explanations? You need at least 3

Constant of proportionality, unit rate, equivalent ratios, origin, equation, complex fraction

Is this table proportional? If yes, what is the constant of proportionality?

No there is no constant. The ratios of y/x are not equivalent

The point on the graph is (4, 28). What is the constant of proportionality?

In 8 hours a car traveled 512 miles. What was the speed per hour?

64 mph

Michelle types 450 words in 9 minutes. How many words can she type in an hour?

3,000 words

Jon hiked 3/4 mile in 1/8 of an hour. How fast did he hike in miles per hour?

6 mph