Question 1

Which of the following linear equations represents a proportional relationship?

Accepted Answer

y = 3x

Answer

y = -2x + 5

Answer

y = x - 4

Answer

y = 3x + 2

Question 2

A graph of a linear relationship shows a straight line passing through the origin. Which of the following statements is true about this relationship?

Accepted Answer

It is a proportional relationship

Answer

It is a quadratic relationship

Answer

It has no relationship

Answer

It is not a proportional relationship

Question 3

If the equation of a line is given as y = 4x + 1, what type of relationship does it represent?

Accepted Answer

It is a linear relationship but not proportional

Answer

It is not a linear relationship

Answer

It is a proportional relationship

Answer

It is a quadratic relationship

Question 4

Which of the following equations represents a proportional relationship?

Accepted Answer

y = 5x

Answer

y = 0.5x - 2

Answer

y = -2x + 1

Answer

y = 5x + 3

Question 5

A written description states that a recipe requires 3 cups of flour for every 2 cups of sugar. What type of relationship does this represent between flour and sugar?

Accepted Answer

It is a proportional relationship

Answer

It has no relationship

Answer

It is a linear relationship but not proportional

Answer

It is a non-linear relationship

Question 6

Which of the following graphs represents a proportional relationship?

Accepted Answer

Graph A, a straight line through the origin

Answer

Graph C, a curve

Answer

Graph D, two separate points

Answer

Graph B, a straight line not passing through the origin

Question 7

Which of the following tables shows a proportional relationship?

Accepted Answer

Table 1:

x | y 
--|-- 
0 | 0 
1 | 3 
2 | 6 
3 | 9

Answer

Table 3:

x | y 
--|-- 
1 | 4 
2 | 8 
3 | 12

Answer

Table 2:

x | y 
--|-- 
0 | 0 
1 | 2 
2 | 5 
3 | 6

Answer

Table 4:

x | y 
--|-- 
0 | 0 
1 | 1 
2 | 1 
3 | 1

Question 8

Which of the following equations does NOT represent a proportional relationship?

Accepted Answer

y = 2x + 4

Answer

y = 3x

Answer

y = -5x

Answer

y = 0.1x

Question 9

Which of the following scenarios describes a situation that is NOT proportional?

Accepted Answer

A car travels 60 miles in the first hour and 90 miles in the second hour.

Answer

The price of apples is $2 per pound.

Answer

A recipe doubles all ingredients for twice the servings.

Answer

A worker earns $15 per hour for 5 hours.

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