Help!!!!!!!!
Find the rate of change
1. Growing from 1.4m to 1.6m in 1 year
2.Reading 8 pages in 9 mins and 22pages in 30mins
3.The cost of 4 movie tickets is 30$ and the cost of 7tickets is 52.50$
Tell whether or not each equation is a direct variation. If it is, find the constant of varation
1.y=2x-2
2.4y=x
3.y/x=3
Write an equation in slope-intercept form for each situation.
1. A skateboard ramp is 5ft high and 12ft long from end to end
2.An airplane with no fuel weighs 2575lbs. Each gallon of gasoline addad to the fuel tanks weighs 6lbs.
Write and equation in point-slope form for the line through the given point with the given slope.
1. (4,6);m=-5
2. (3,-1);m=1
3. (8,5);m=1/2
A line passe through the given points. Write an equation for the line in slope-intercept form.
1. (-2,4) & (3,9)
2. (1,6) & (9,-4)
3. (0,-7) & (-1,0)
