Download Name - White Plains Public Schools

`1Name ___________________
Period _____
Due 3-27-12
Tuesday
POW #8
Part I: Multiple Choice – No Calculator.
1) Simplify the expression below by
combining like terms.
2x2 + 3y2 + 8 + 4x2 + 5y2 + 8
a) -2x2 – 2y2
b) -2x2 + 8y2 + 16
4) The inequality 3n – 6 › 25 can be
expressed as:
a) Six decreased by three times a number
is less than 25.
b) Six decreased by three times a number
is greater than 25.
c) Three times a number decreased by six
is less than 25.
c) 6x2 + 8y2 + 16
2
2
d) -6x + 8y + 16
2) Brian saved 35% of the money he
earned. If Brian earned $260, how much did
he save?
a)
b)
c)
d)
$46.50
$74.28
$91
$125
3) The measure of an angle is 50o more
(1 pt each)
d) Three times a number decreased by six
is greater than 25.
5) What kind of angles are 1 and 5?
a)
b)
c)
d)
Vertical angles
Alternate interior angles
Alternate exterior angles
Corresponding angles
7
40o
65o
70o
80o
5 6
8
6) Which angle is complementary to angle x?
than the measure of its supplement. What is
the measure of the smaller angle?
a)
b)
c)
d)
1 2
3 4
a)
b)
c)
d)
angle
angle
angle
angle
P
Q
R
S
Part II: Extended Response.
1)
(3pts each)
Part A: Write and solve an equation to find the value of x.
E
x + 3
C
A
2(x – 1)
B
3x + 5
D
Answer: _________
Part B: What is the measure of mEBA? ________
2) In the figure below, lines k and n are parallel. Line l is a transversal.
Part A: Write and solve an equation to find the measure of A. SHOW WORK!
B
(3x - 15)
(2x + 12)
n
A
Answer _____________ degrees
Part B: What is the measure, in degrees, of B?
k
l
Answer _____________ degrees
3) Find the measure of each angle and give a reason why (complementary angles,
supplementary angles, vertical angles,…)
a) m AEF = _______ because ________________
_________________________________________
b) m DEG = _______ because ________________
C
F
43O
A
B
E
_________________________________________
c) m GEC = _______ because ________________
_________________________________________
G
D