Download Math 94 Practice Exam 8 No notes or calculators are allowed

Math 94
Practice Exam 8
No notes or calculators are allowed. Please show all your work on this paper. Simply each answer fully.
Good luck! Each problem is worth 2 points unless otherwise specified. Write each solution in the space
provided. Deduction for work done in pen or for work that is hard to follow:_______ (up to 2 points)
1) Solve:
2) Solve:
3) Solve by completing the square:
4) Find a quadratic equation with
and
as solutions. Write the equation in the form
, where a, b, and c are integers.
5) Solve for c. Assume that all variables represent positive numbers.
6) The quadratic equation
has (circle one): a) 1 rational solution, b) 2 rational
solutions, c) 2 irrational solutions, or d) 2 imaginary solutions.
7) Solve:
8) [Set up only] John traveled 360 mi averaging a certain speed. If he had gone 15 miles faster, the
trip would have taken 2 hours less time. Let
John's average speed.
a) Fill in the following table using only numbers and the variable x.
t
d
r
Actual
Hypothetical
b) Set up an equation involving x that would tell you John's average speed.
9) Solve: