MATH 1050-003: Quiz 2
There are problems on both sides of each sheet.
January 22, 2008
Name:
u I.D.:
This is a closed book and closed note quiz. No calculators are allowed. Please
write neatly in pencil and circle your final solution.
You may need some of the following formulas. Note that while I am giving you these for the
quiz, I will not give all of them for the Exam.
√
−b ± b2 − 4ac
x=
2a
q
d = (x2 − x1 )2 + (y2 − y1 )2
M id =
x1 + x2 y 1 + y 2
,
2
2
1
1. Solve the quadratic equation for x by completing the square and then extracting square
roots.
x2 + 12x + 25 = 0
2
2. Solve the quadratic equation for t using the Quadratic Formula.
8t = 5 + 2t2
3
3. Solve the inequality for x and sketch the solution on the real number line.
|3 − 4x| ≥ 9
4
4. For the points:
(−1, 2) , (5, 4)
a) Plot the points on a labeled graph.
b) Find the distance between the points using the distance formula.
c) Find the midpoint of the line segment joining the points usint the Midpoint formula.
5