Download Writing equation for a line passing through given points

Algebra – Homework
Jan 7/8, 2014
1.
2.
Name_______________________________
Write the equation (in slope intercept form) for the line that passes through the
given sets of points.
1.
(9, 2) and (– 6, – 8)
2.
(– 6, 9) and (4, 4)
3.
(– 9, 18) and (4, – 8)
4.
(1, 1) and (– 3, – 15)
5.
(4, 11) and (– 6, – 14)
Jennifer’s mother gave her $35 to spend at the local Fair. It costs $12 to get into
the Fair and $3 for each ride. How many rides will Jennifer be able to ride at the
Fair?
Approach:
Define x and y.
Write an equation that shows the relationship between the two variables.
Execute:
Solve the equation.
Justify:
Write your answer in a sentence and justify your answer
Answers:
1.
y = 2/3x – 4
2.
y = – 1/2x + 6
3.
y = – 2x
4.
y = 4x – 3
5.
y = 5/2x + 1
Jennifer will be able to go on 7 rides at the Fair.