Write a linear function with a slope of -9 and a y-intercept of (0,5).
y =-9x+5
Identify the slope and y-intercept from the graph on the whiteboard.
m = 5
y-intercept: (0, -3)
Identify the slope of the linear equation
y = -x + 6
The slope is -1
Find the rate of change of the line with the following table of values:
x: -3 0 12
y: -4 -2 6
2/3
Is the point (3,5) a solution to the inequality y > 2x - 1?
No
Write a linear equation with the table of values
x: -1 0 5 8
y: -10 -7 8 17
y=3x-7
Graph the function
y = 6/7x+4
on your calculator.
See whiteboard
Find the slope from the table below.
x: -1 2 5 8
y: -2 7 16 25
3
Find the rate of change from the graph on the whiteboard.
5/2
Write the inequality that represents the graph.
(see whiteboard)
y > -4x - 2
Write the linear equation of this graph:
y=20x-15
Graph the function y = 4x - 3 on the coordinate plane WITHOUT using your calculator.
See whiteboard
Find the slope of the line:
1/2
A runner is tracking their progress during a race. After 3 hours, they have covered 12 miles. After 7 hours, they have covered 22 miles. What is the average rate of change in the runner's speed?
2.5 mph
Write the equation of the line that passed through the point (3, 7) and has a slope of 9.
y - 7 = 9(x - 3) OR y = 9x - 20
A tennis club charges $100 to join the club and $10 for every hour using the courts. Write an equation to express the cost C of playing tennis for h hours.
C = 10h + 100
The equation y = x - 7 is the boundary of a given linear inequality. The following points are solutions to the inequality. Graph the inequality on the coordinate plane.
x: 7 0 -2
y: 0 6 -3
See the whiteboard: y ≥ x - 7
Find the slope of a line that passes through the points (0, 5) and (2, 10)
m = 5/2
The cost of a package of shredded cheese (y) is directly proportional to its weight in pounds (x). A 2-pound package costs $5. Write a direct variation equation to represent this situation.
y = 2.5x
Write the equation of the line that passes through (7,8) and (8,10) in standard form.
y - 8 = 2(x - 7) OR y - 10 = 2(x - 8)
Rewrite the standard form equation in slope-intercept form -5x + 3y = -15
Slope intercept form
y = (5/3)x - 5
Hikers are tracking the distance they travel. Before they begin hiking, they travel on a bus 10 miles into the wilderness. After 1 hour, they have walked 3 more miles. After 4 hours, they have walked 12 miles. Graph the equation that models the total distance, y, the hikers have traveled after x hours.
See whiteboard: y = 10 + 3x
What is the slope of the equation
y - 7 = 6/7(x+9)
m = 6/7
The cost of renting a bicycle is directly proportional to the number of hours it is rented. If 3 hours of rental costs $9, how much would 5 hours of rental cost?
It would cost $15 to rent the bike for 5 hours.
Graph the function 2x - 6y = 24 on the coordinate plane.
See whiteboard:
y = x/3-4