Transcript Question Set 3

CST Summative Math Review
1. Which method listed below
could not be used to prove
that two triangles are
congruent?
A.
B.
C.
D.
Prove all three sets of
corresponding sides
congruent
Prove all three sets of
corresponding angles
congruent
Prove that two sides and an
included angle of one triangle
are congruent to two sides
and an included angle of the
other triangle
Prove that two angles and an
included side of one triangle
are congruent to two angles
and an included side of the
other triangle
2. In parallelogram FGHI,
diagonals IG and FH
are drawn and intersect
at point M. Which of the
following statements
must be true?
A. ΔFGI must be an obtuse
triangle
B. ΔHIG must be an acute
triangle
C. ΔFMG must be
congruent to ΔHMG
D. ΔGMH must be
congruent to ΔIMF
3. One bag contains 2 green marbles and 4 white
marbles, and a second bag contains 3 green marbles
and 1 white marble. If Trent randomly draws one
marble from each bag, what is the probability that
they are both green?
A. ¼
B. 2/5
C. ½
D. 5/6
4. What is the product of the
complex numbers (3  i) and (3 - i)?
A. 8
B. 10
C. 9 - i
D. 10 - 6i
5. Which of the following is a simplified form of the
expression log 21 5  log 21 4  log 21 2 ?
A. log 2110
B. log 10 21
C. log 7 21
D. log 21 7
6. If x is a real number, for what v alues of x
3x  9
is the equation
 x  3 true ?
3
A. all values of x
B. some values of x
C. no values of x
D. impossible to determine
7. Jeremy, Michael, Shanan, and Brenda each worke d the same math
problem at the whiteboar d. Each student' s work is shown below. Their
teacher said that whil e two of them had the correct answer, only one of
them had arrived at the correct conclusion using correct steps.
Jeremy' s Work
3
x x
7
x3
 7  x10  0
x
Michael' s Work
3
x x
7
x3
 7  x  4 , x  0
x
Shanan' s Work
3
x x
7
x3 1
 7  4 ,x  0
x
x
Brenda' s Work
3
x x
7
x3
 7  x4 , x  0
x
Which is a completely correct solution?
A. Jeremy' s work
B. Michael' s work
C. Shanan' s work
D. Brenda' s work
8. In the figure below, if sin x = 5/13, what are cos x and
tan x?
x
A.
B.
C.
D.
12
5
cos x  ; tan x 
13
12
12
12
cos x  ; tan x 
13
5
13
5
cos x  ; tan x 
12
12
13
13
cos x  ; tan x 
12
5
9. Given: p║q; m║n; m
1=75°
1
q
p
2
m
What is m 2?
A.
B.
C.
D.
15°
75°
90°
105°
n
10. What is the variance and standard
deviation for the following set of numbers?
2, 4, 4, 4, 5, 5, 7, 9
A.
B.
C.
D.
Variance = 5
Variance = 5
Variance = 5
Variance = 5
standard deviation = 1
standard deviation = 2
standard deviation = 3
standard deviation = 4
Why should I do well on the CST?
1. Students get to keep their electives and not be placed in
support classes
2. Students can test out of support classes if they do well
(ELD, Math/English topics, etc)
3. Have a chance to go on Boomers field trip on Wednesday
May 19th
4. If we meet our API goal of 777 we plan to have a carnival
at the beginning of next year
5. We want to be the number one school in Fontana!
How can I improve my score?
Fill in all answer choices – don’t leave any blank!
Don’t spend too much time on one problem!
Eliminate wrong answer choices first!
GOOD LUCK!!!