1. Prerequisite Skills
VOCABULARY CHECK 1.
Is the distance from point P to line AB equal to the length of PQ? Explain why or why not.
No; PQ is not perpendicular to AB.
ANSWER

2. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Simplify the expression. All variables are positive.
√(0 – h)2 2.
ANSWER h 3.
2m + 2n 2
ANSWER
m + n 4.
|(x + a) – a|
ANSWER x 5.
√r2 + r2
ANSWER
r√2

3. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
PQR has the given vertices. Graph the triangle and classify it by its sides. Then determine if it is a right triangle. 6.
P(2, 0), Q(6, 6), and R(12, 2)
ANSWER
isosceles; not a right triangle 7.
P(2, 3), Q(4, 7), and R(11, 3)
ANSWER
scalene; not a right triangle

4. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Ray AD bisects BAC and point E bisects CB . Find the measurement.
8. CE
ANSWER 24
9. m BAC
ANSWER
102º
10. m ACB
ANSWER
49º

5. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Solve.
x = 262
ANSWER
±10
x 2 = 60
ANSWER
±2√3
> x + 35
ANSWER
x < 8