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