Slope Pre-Assessment

1. 1. (F4)

Sara starts with $80 a week and spends $10 per week. Which graph shows this?

A) D
B) C
C) B
D) A

2. 2. (F4)

Darcy pulls the plug in the bathtub. The amount of water, in gallons, left in the tub overtime is shown in the graph provided. Which of the following statements are true? (check all that apply!)

Notice that these answers are "boxes" instead of squares. This is an indicator that more than one answer is necessary.

A) The slope of the line is -5
B) 8 represents the y-intercept/initial value
C) The graph is a linear relationship.
D) As the time increases, the amount of water increases

3. 3. (F4)

Decide which represents the correct equation in slope-intercept form for the table.

A) y = -3/1x - 2
B) y = 3x - 2
C) y = 1/3x + 1
D) y = -1/3x - 2

4. 4. (F4)

Based on this graph, determine the equation for the line shown:

A) y = 2x
B) y = 2x + 1
C) y = x + 1
D) y = 1x + 2

5. 5. (EE5)

Indicate the two equivalent Slopes:

A) -3/4 and -3/8
B) 10/20 and 2/4
C) 3/9 and 6/12
D) 1/2 and 2/1

6. 6. (EE5)

Lisa and Ashton disagreed on the slope of the line in the picture. Lisa said the slope was 2 and Ashton said it was 4/2. Who is correct?

A) Neither are correct
B) Lisa
C) Ashton
D) Both are correct

7. 7. (EE5)

Calculate the slope of a line that contains the following pair of points:(-1,5) and (2,7).

A) 2/3
B) 3/2
C) 6/5
D) -2/3

8. 8. (EE5)

Two scenarios have been given. Which description is true?

A) Scenario 2 cannot be compared because it is not in a graph.
B) Scenarios 1 has a rate that is greater than scenario 2
C) Scenario 2 has a rate that is greater than scenario 1.

9. 13. (EE6)

Explain why ∆ACB is similar to ∆DFE and deduce that AB has the
same slope as BE . Choose the BEST answer

A) ABC is similar to DFE because they both share a proportional slope.
B) ABC is similar to DFE because they both lie on the same line
C) ABC is similar to DFE because they are both triangles

10. 14. (EE6)

What can be concluded by these two triangles?

A) The triangles do not describe the slope.
B) The triangles show different slopes, therefore they are not similar triangles
C) Triangle A represents a positive slope and triangle B represents a negative slope.
D) They show that the two triangles are congruent because they share the same slope which is 3/2

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