Revision - Graphs

What is the equation of a line with gradient 3 that crosses the y axis at (0,−6)?

• y= −6x + 3

• y= 6x − 3

• y = 3x + 6

• y= 3x − 6

Which of these lines is parallel to the line y= 4x + 5?

• y = −4x + 5

• y = 4x − 3

• 
  y = 2x + 5

• y = 41​x + 5

A horizontal line on a distance-time graph shows that …

• The object is accelerating.

• The object is stationary.

• The object is moving at a constant speed.

• The object is decelerating.

Which of the distance-time graphs shows an object moving at the greatest speed?

• A

• B

• C

• D

What is the speed of the object shown in this distance-time graph?

• 20 km/h

• 40 km/h

• 20 mph

• 80 km/h

What does a line with zero gradient represent on a speed-time graph?

• An object accelerating

• An object moving with constant speed

• An object decelerating

• An object at instantaneous rest

To find the total distance travelled by an object using a speed-time graph you must

• Multiply the maximum speed by the total time

• Find the gradient of the line

• Find the area under the speed-time graph

• Multiply the maximum speed by the time taken to reach it

Find the distance between the point (0,10) and (24,0)

• 34

• 5.83

• 26

• 14

Find the midpoint of the line segment joining the points (2, 8) and (6, 12)

• (5, 9)

• (4, 10)

• (7, 7)

• (4, 9)

Calculate the gradient of the line that is perpendicular to the line y = −0.4x + 3

• 0.4

• 2.5

• 4

• -0.4