1.
Jane is opening a home-based business. She determined that she will need $4500 to buy a computer and supplies to start. She expects expenses for each following month to be $800. Write an equation that models the total expense
y
after
x
months.
A.
y
= 800
x
- 4500
B.
y
= 800
x
+ 4500
C.
y
= 4500
x
+ 800
D.
y
= 4500
x
- 800
Hint
2.
Using the equation
y
= 50
x
+ 50, predict
y
when
x
= 6.
A.
250
B.
400
C.
300
D.
350
Hint
3.
Write an equation of the line that passes through the points (-2, 4) and (6, -4).
A.
B.
C.
D.
Hint
4.
Write an equation of a line that has no slope and passes through
the point (5,-6).
A.
y
= 5
B.
y
= -6
C.
x
= 5
D.
x
= -6
Hint
5.
Write a linear equation to represent the cost
y
of a long distance calling plan that charges $5.99 plus $0.07 per minute for
x
number of minutes.
A.
y
= 0.07
x
+ 5.99
B.
y
=
x
- 5.99
C.
y
= 5.99
x
+ 0.07
D.
y
=
x
+ 5.99
Hint