4.1/4.2 Review

Determine the slope between the points (14, -9) and (18, -10).

Mathematical Equivalence

ON

Determine the slope of the equation 7x + 5y = -15.

Mathematical Equivalence

ON

The table shows the linear relationship between the distance in feet below sea level and the time in seconds traveled by a submarine.

The distance below sea level of the submarine ​ (a)   at a rate of ​ (b)   feet per second.

• increases
• decreases
• 8
• 1/8
• 6
• 1/6

Answer explanation

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.

The area painted ​ (a)   at a rate of ​ (b)   square feet per gallon.

• increases
• decreases
• 400
• 200
• 1/200
• 1/400

The table shows a linear relationship between x and y.

What is the rate of change of y with respect to x?

Mathematical Equivalence

ON

The graph of a linear function is shown on the grid.

What is the rate of change of y with respect to x for this function?

Mathematical Equivalence

ON

Categorize the functions by their rate of change.

Groups:

(a) 2/3

,

(b) 1/4

• 
• 
• 
• 

What is the equation of the line that passes through the point (1, -1) and has a slope of -6?

Write your answer in slope-intercept form.

Mathematical Equivalence

ON

What is the equation of the line that passes through the points (-3, 4) and (-4, -5)?

Write your answer in slope-intercept form.

Mathematical Equivalence

ON

What is the equation of the line shown in the graph?

Write your answer in slope-intercept form.

Mathematical Equivalence

ON