Ratio and proportion

Find the slope of the line that passes through

(10, 1) and (5, 2)

• 1/5

• -1/5

• 5

• -5

What makes a graph proportional? Select two answers.

(a)   ​ ​​ (b)  

• straight line through point of origin (0, 0)
• has a constant of proportionality
• a line that connects the dots
• has x-axis and y-axis

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Describe the meaning of the rate of change for this graph.

• for every 2 hours, the temp goes up by 1 degree

• the temp increases 2 degrees every hour

• the temp increases 1 degree every 2 hours

Determine what type of slope is portrayed in the image

• Positive
• Negative
• Zero
• Undefined

Proportional or Non-Proportional?

• Proportional

• Non-Proportional

What is the equation for the line in graph above.

• x = 3

• x = -3

• y = 2

• y = 3

Find the slope of the line.

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl