How can you determine proportional relationships from a graph?

Coordinates make a straight line & goes through the origin

A rate in which the second quantity is 1.

What do rates compare?

2 quantities in different units

When computing unit rate word problems, what should you find first?

The unit rate the problem is asking you to find., The units in the problem.

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Duplicate of Unit 1: Rates, Ratios, Unit Rates & Proportions

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A review of concepts students are learning in math: 7th grade, term 1, unit 1

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Questions 15

Answers

1
How can you determine proportional relationships from a graph?
None of the above
The coordinates make a straight line.
Coordinates make a straight line & goes through the origin
The line goes through the origin
2
What is a unit rate?
All of the above.
A rate in which the second quantity is 1.
A rate where there is only i unit being compared.
A rate in which both quantities are 1.
3
Which of the following is a proportional relationship?
1/2 and 2/6
3/5 and 9/10
2/ 3and 4/ 8
2/5 and 4/10
4
What is the constant of proportionality in the following: 1/8 2/16 3/24 4/32
1
16
4
8
5
When will you use unit rates, rates and proportions?
All of the above and more
when you are cooking
when you are traveling
at the grocery store
6
What do rates compare?
2 different quantities
2 different units
2 quantities in different units
None of the above
7
Which math sentences expresses a unit rate?
5 miles per 45 minutes
$45 in 3 days
3 cups of flour/cake
30 kids to 2 teachers
8
What is the correct math process for solving complex fractions?
Divide by the reciprocal.
Divide the fractions
Add the fractions.
Multiply by the reciprocal.
9
How do you convert a mixed number to an improper fraction?
Numerator + Denominator + Whole Number
None of the above
Whole Number x Denominator + Numerator
Denominator x Numerator + Whole Number
10
If there are 24 students to 2 teachers, how many students are there to 1 teacher?
24 students/1 teacher
26 students/1 teacher
12 students/1 teacher
48 students/1 teacher
11
In the equation y=kx, k is the.....
All of the above
constant of proportionality
constant rate of change
unit rate
12
Which of the following are rates?
x to y
x/y
x:y
All of the above
13
In the equation y=15x, what is the 15?
unit rate
constant rate of change
All of the above
constant of proportionality
14
Which equation can you use for a proportional relationship?
y=kx
x=ky
None of the above
k=xy
15
When computing unit rate word problems, what should you find first?
The unit rate the problem is asking you to find.
The quantities in the problem.
The units in the problem.
None of the above.

Duplicate of Unit 1: Rates, Ratios, Unit Rates & Proportions Flashcards | StudBud