Tables
Equations
Graphs
Proportional Graphs?
Words/Proportions
Misc.
100
Every one cup of sugar uses _____ cups of flour?
What is 1.5 cups
100
Write the equation of the relationship of two quantities if you know the constant of proportionality is 5.
what is y=5x
100
Why is this graph not proportional?
What is it's not going through the origin
100
Are proportional graphs straight or curved?
straight
100
A plant grows 4 inches in two days? Write an equation then use your equation to find out how many inches it will grow in 5.75 days.
What is 11.5 inches
100
3/9 = 7/x
what does x equal?
x= 21
200
Write the equation if bales of hay is the Y variable and # of mules is the X variable?
What is y=(1/2)x
200
What equation represents the graph?
what is y=0.66x
200
What is the constant of proportionality?
What is 6
200
Do proportional graphs form a line or an x shape?
a line
200
A runner runs 75 miles in 5 days? Write an equation, then use your equation to find out how many miles the runner runs in 2 days.
30 miles
200
Solve. SHOW WORK!
22.94 = 6.2x
x= 3.7
300
Is the following ratio table proportional?
What is NO
300
Becca completes 42 math problems in 12 minutes. Write an equation to represent how long each problem takes.
y=3.5x
300
What does the constant of proportionality tell you in this graph?
What is every 1 minute 0.4 miles completed
300
What special point must all proportional graphs go through?
the origin or (0,0)
300
If there are 20 m & m's in one ounce, write an equation and use it to determine how many are in 12 ounces?
240 m & m's
300
4/3 = p/2
What does p equal if these two ratios are proportions?
p= 2.67
400
Complete the proportional table by writing an equation and using it to solve for the missing number. You MUST SHOW YOUR EQUATION and WORK.
What is 171
400
If bales of hay vary directly with the number of mules, what is the equation of the table?
y=(1/2)x
400
What is the unit rate for line A and B?
Line A: 0.56
Line B: 1.25
400
How do you know a graph is proportional?
What is a straight line through the origin.
400
Jeff earns money mowing lawns. His earnings and hours worked represent a direct variation. He worked for 5 hours and earned $37.50. Write an equation and use it to determine what he would make for 32 hours of work.
What is $240
400
In the school orchestra, there are 5 woodwind instrument players for every 2 brass instrument players. If there are 12 brass players in the orchestra, how many woodwind players are in the orchestra? Solve using any method.
30
500
What is
4 liters
132 km
500
If water used varies directly with time, what is the equation of the relationship?
y=5x
500
What is the constant of Proportionality?
what is 1/6
500
Can a proportional graph be a straight vertical line?
No
500
For every 15 calories your body takes in, your brain uses about 2 of them. Write an equation and use it to find the amount of calories your body took in if your brain used 150.3 calories.
What is 1127.25 calories
500
15/19 =11/x
What does x equal if these two ratios are proportions?
x= 13.93