Mastering Slope and Slope-Intercept Form: Grade 8 Quiz

1. A car travels from point A (2, 3) to point B (5, 11). What is the slope of the line that represents the car's path?

• 8/3

• 2

• 3

• 5/2

2. Convert the equation 3x - 2y = 6 into slope-intercept form. What is the slope?

• 1/2

• -3/2

• 3/2

• 2/3

3. A bike rental shop charges a flat fee of $10 plus $2 for each hour rented. Write the equation in slope-intercept form that represents the total cost (C) in terms of hours (h). What is the slope?

• The slope is 5.

• The slope is 2.

• The slope is 0.

• The slope is 10.

4. The temperature in a city increases from 20 degrees to 30 degrees over 5 hours. Calculate the slope of the temperature change per hour.

• 2 degrees per hour

• 3 degrees per hour

• 1 degree per hour

• 5 degrees per hour

5. Convert the equation 4x + y = 12 into slope-intercept form. What is the y-intercept?

• The y-intercept is 0.

• The y-intercept is -12.

• The y-intercept is 4.

• The y-intercept is 12.

6. A student scores 70 points on their first test and increases their score by 5 points for each subsequent test. Write the equation in slope-intercept form for the student's score (S) based on the number of tests taken (t). What is the slope?

• The slope is 7.

• The slope is 10.

• The slope is 3.

• The slope is 5.

7. A line passes through the points (1, 2) and (4, 8). Calculate the slope and write the equation in slope-intercept form.

• y = x + 2

• y = 2x

• y = 3x + 1

• y = 4x - 2

8. Convert the equation 2y - 6x = 12 into slope-intercept form. What is the slope and y-intercept?

• Slope: 0, Y-intercept: 6

• Slope: 3, Y-intercept: 6

• Slope: 1, Y-intercept: 12

• Slope: 2, Y-intercept: 4

9. A gardener plants flowers in a straight line, starting with 3 flowers at the first position and adding 2 flowers for each additional position. Write the equation in slope-intercept form for the number of flowers (F) based on the position (p). What is the slope?

• The slope is 3.

• The slope is 1.

• The slope is 2.

• The slope is 0.5.

10. A train travels from station X at a speed of 60 miles per hour. If the train starts at 0 miles after 1 hour, write the equation in slope-intercept form for the distance (D) in terms of time (t). What is the slope?

• D = 50t, slope = 50

• D = 60t + 10, slope = 60

• D = 60t, slope = 60

• D = 30t, slope = 30