Quiz about Proportion/Slope Review

Question 1

Which graph is proportional?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 2

What makes a graph proportional?

Accepted Answer

It is a straight line.

Accepted Answer

It goes through the origin.

Answer

It does not go through the origin.

Answer

If it goes down instead of up.

Question 3

The graph below shows the number of rabbits in a population over a number of years. Is the number of rabbits proportional to the number of years? Explain.

Accepted Answer

No, because the line isn't straight.

Answer

Yes, because the line is straight.

Answer

No, because the line is straight.

Answer

Yes, because the line isn't straight.

Question 4

How do you find k?

Accepted Answer

$$\frac{y}{x}$$

Answer

$$\frac{x}{y}$$

Answer

$$y=kx$$

Answer

$$x⋅y$$

Question 5

Which statement best describes the relationship between x and y in the table?

Accepted Answer

Proportional

Answer

Not Proportional

Question 6

Proportional or Non-Proportional?

Accepted Answer

Non-Proportional

Answer

Proportional

Question 7

What is the constant of proportionality (in miles per hour) based on the table?

Accepted Answer

45

Answer

90

Answer

135

Answer

2

Question 8

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the relates cost in dollars, y, to the number of pounds of grapes, x?

Accepted Answer

6.09

Answer

20.36

Answer

8.12

Answer

28.36

Question 9

What is the unit rate in this proportional relationship?

Accepted Answer

60 miles per hour

Answer

120 miles in 2 hours

Answer

1 mile per hour

Question 10

In the equation $$y=14x$$ , what is the constant of proportionality?

Accepted Answer

$$14$$

Answer

$$y$$

Answer

$$x$$

Answer

$$y=14$$

Question 11

If the constant of proportionality is 10, which of the following is the correct proportional equation?

Accepted Answer

$$y=10x$$

Answer

$$10=kx$$

Answer

$$10=k$$

Answer

$$y=10k$$

Question 12

Which equation shows a NON-proportional relationship of x and y?

Accepted Answer

$$y=x+3$$

Answer

$$y=5x$$

Answer

$$y=-5.6x$$

Answer

$$y=\frac{1}{2}x$$

Question 13

What is the equation $$y=kx$$ for the table?

Accepted Answer

$$y=3x$$

Answer

$$y=\frac{1}{3}x$$

Answer

$$y=5x$$

Answer

$$y=\frac{1}{5}x$$

Question 14

Which equation matches the graph?

Accepted Answer

$$y=8x$$

Answer

$$y=1x$$

Answer

$$y=3x$$

Answer

$$y=16x$$

Question 15

Write an equation for this relationship.

Accepted Answer

$$y=5x$$

Answer

$$y=\frac{1}{5}x$$

Answer

$$y=\frac{1}{2}x$$

Answer

$$y=2x$$

Question 16

Which graph best represents an equation of a line with a negative slope?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 17

Which graph represents an equation of a line with an undefined slope?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 18

Which graph represents an equation of a line with an zero slope?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 19

Which graph best represents an equation of a line with a positive slope?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 20

Find the slope

Accepted Answer

$$\frac{4}{5}$$

Answer

$$\frac{5}{4}$$

Answer

$$-\frac{5}{4}$$

Answer

$$-\frac{4}{5}$$

Question 21

Find the slope

Accepted Answer

$$-\frac{3}{2}$$

Answer

$$-\frac{2}{3}$$

Answer

$$\frac{3}{2}$$

Answer

$$\frac{2}{3}$$

Question 22

Find the slope from the table:

Accepted Answer

$$-\frac{5}{2}$$

Answer

$$-\frac{2}{5}$$

Answer

$$\frac{5}{2}$$

Answer

$$\frac{2}{5}$$

Question 23

Find the slope of the line that passes through
(10, 2) and (5, 1)

Accepted Answer

$$\frac{1}{5}$$

Answer

$$-\frac{1}{5}$$

Answer

$$5$$

Answer

$$-5$$

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