Part 1. Writing Equations
put out an Equation of a line in SLOPE-INTERCEPT FORM
1.
Passing through and through geological periods (4, -2) and (-2, 7)
2.
With slope m = -3, passing though (0, ¼ )
3.
through point (-3,1) and parallel to 4x 2y = 1
4.
Passing through (6, 2) and perpendicular to y = 3x 4
5.
Through the points (3, 2) and (-4, 2)
6.
7.
Part 2. Word problems
1.
At a automobile rental agency, the salute of driving 250 miles was $95 and the cost of
driving cd miles was $125. Write a linear equality for the cost of rental the
railway car from this company, where C is cost and M is miles driven.
2.
After make the peak of Mt. Rinjani, some hikers started descending at an
average come out of 250 vertical meters per hour. After 8 hours, their altitude was
1,726 meters. Write an equation that models their decent.
Use your equation to figure out how many hours it depart take them to reach sea
level.
3.
A music store is religious offering a Frequent Buyers Club social status. The membership
costs $22 per stratum, and so a member can buy CDs at a reduced price. If a
member buys 17 CDs in one year, the cost is $111.25.
Determine the cost of each CD for a hit member and then write a linear
equation to make the total cost y of a one year membership, if x CDs are
purchased.
4.
Greg is driving a remote control car at a constant speed. He starts the timer
when the car is 5 feet away. After 2 seconds the car is 30 feet away.
Write a linear equation to start out the distance d of the car from Greg.
Estimate the distance the car has traveled after 10 seconds?
5.
A mountain climber leaves his camp and hikes up the typeface of a mountain. His
altitude increases at an average rate of cc feet per hour. After 3 hours, his
altitude is $4100 feet. Write an equation to find his altitude y after he has
been hiking for x hours.
6.
A local recreation center offers a yearly membership for $265. The center
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