graphing proportional relationships
equations of proportional relationships
identifying proportional relationships
Solve
Complex Fractions
100
what is the ordered pair of the origin?
(0,0)
100
Is this equation proportional? y= 3x
Yes
100
Are these ratios proportional?
5/11 and 6/12
No
100
What compares two quantities with different units?
Rate (not ratio)
100
What is a complex fraction?
A fraction where the problem has a fraction as either its numerator, denominator, or both?
200
What is the vocabulary word with this definition:
A rate that is simplified where the denominator is 1.
Unit Rate
200
Is this equation proportional?
y= 4x + 10
Not proportional
200
Is the graph a proportional relationship? Why?
NO
Does not go through the origin
200
Solve
n=3.8
200
Simplify
2/(3/2-4/3)
12
300
What are 2 ways to tell if a graph is proportional
if the line is straight
goes through the origin
300
Darren bought 3 shirts for $44.10. Each shirt cost the same amount. Which equation models the cost, y, to purchase x shirts?
A: y = 14.70x
B:
y=x/14.70
C: y = 14.33x
D:
y=x/14.33
A: y = 14.70x
300
Is the table proportional?
No
300
(10/p+2)=4/3
p = 11/2
p=11/2
300
Simplify
(1/4+5/4)/4
3/8
400
150 square feet.
400
Using this graph, What is the constant rate of change?
6
400
The ratio of students to parents at a basketball game is 6 to 5. Is that proportional to 170 parents and 204 students?
Yes
400
Round to the nearest hundredths
(7.7/3.6)=(2.3/b)
b = 1.08
400
Simplify
(4/5)/(3/4-3/2)
-16/15
500
Mark has to make a scale drawing of the football field at his school. He has chosen the scale 1/2 inch = 5 ft. The football field is 360 ft. by 160 ft.
How big will the field be on his scale drawing?
36 inches by 16 inches
576 square inches
500
Is the table proportional? If so, why and what is the constant rate of change of cost per ticket?
Proportional
3/2
$1.50 per ticket
500
Which example does NOT show a proportional relationship?
A: The value of y is 3 times as large as the value of x.
B: John charges $25 for every 1/2 acre mowed.
C: Samantha makes $10 an hour at her job
D: Rental costs are $15 for the first hour and $10 for each additional hour.
D: Rental costs are $15 for the first hour and $10 for each additional hour.
500
8/(5x-4) = 6/(x+5)
32/11
500
Simplify
(n-9)/(n+5)=7/4
-71/3