stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
SAT Math Prep 4 Flashcards | StudBud
Explore
/
SAT Math Prep 4
SAT Math Prep 4
20 terms
·
StudBud Administration
#math #SAT no calc
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
Area of equilateral triangle=
(√s-2)*6
s/3
(s√2)/2
(s2√3)/4
2
Which of the following represents a line parallel to the line y=-3x+4?
x+3y=1
6x+2y=15
3x-y=7
2x-3y=6
3
cosine=
opposite/adjacent
adjacent/hypotenuse
opposite/hypotenuse
hypotenuse/opposite
4
Which of the following is equivalent to 3(2x+1)(4x+1)?
24x2+18x+3
18x2+6
45x
24x2+3
5
If (1/2)x + (1/3)y = 4, what is the value of 3x + 2y?
16
12
24
36
6
sum of interior angles of a polygon=
n*180
(n+3)*6
360
(n-2)*180
7
All of the following are Pythagorean triples EXCEPT:
(5,12,13)
(6,9,15)
(3,4,5)
(7,24,25)
8
If x
2
+14x=51 and x>0, what is the value of x+7?
10
5
50
12
9
sum of exterior angles of a polygon=
180n
360
(n-2)*180
Sum of interior angles/n
10
2/(a-1) = 4/y where y≠0 and a≠1 , what is y in terms of a?
y=.5a+1
y=2a-.5
y=2a-2
y=2a-4
11
What is the radius of the circle represented by (x-12)
2
+(y+6)
2
=15 ?
7.5
15
√15
6
12
Which of the following is equal to (14-2i)(7+12i)? (Note: i=√-1)
122
74+154i
74
122+154i
13
Which of the following has x-intercepts at -3, -1, and 1?
f(x)=(x-3)(x-1)(x+1)
f(x)=(x-1)(x+1)(x+3)
f(x)=(x+1)2(x+3)
f(x)=(x-3)(x-1)2
14
Complete the square: x
2
+6x-15
(x+3)2-24
(x+3)2-6
(x-3)2+16
(x-3)2-15
15
tangent = ?
adjacent/opposite
opposite/hypotenuse
adjacent/hypotenuse
opposite/adjacent
16
Write the expression for the volume of a thick crust pizza with height "a" and radius "z".
π(z)2a?????
pi*z*z*a
lol what
idk
17
sine =
hypotenuse/adjacent
opposite/adjacent
adjacent/hypotenuse
opposite/hypotenuse
18
x
3/4
= ?
∜x3
1/(x3/4)
√x
x(1/4)*x(3/2)
19
If (a-b)/b = 3/7 , which of the following must be true?
a/b = -(4/7)
(a+b)/b = 10/7
a/b = 10/7
(a-2b)/b = -(11/7)
20
If (t+5)/(t-5) = 10 , what is the value of t?
45/11
5
55/9
11/2
