How can you determine proportional relationships from a graph?

Coordinates make a straight line & goes through the origin

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.

What do rates compare?

2 quantities in different units

A rate in which the second quantity is 1.

studbud

Unit 1: Rates, Ratios, Unit Rates & Proportions

15 termsStudBud Administration71 plays

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

Flashcards15 cardsFPractice quizPHost liveL

Questions 15

Answers

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

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