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SAT & PSAT Math Review Flashcards | StudBud
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SAT & PSAT Math Review
SAT & PSAT Math Review
15 terms
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Math
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15 cards
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Questions
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Answers
1
b=2.35+0.25x and c=1.75+.40x What will x equal when b=c
5
3
4
2
2
Using the same equations, b=2.34+.25x and c=1.75 +.4x what will the number be when b=c
2.85
3.35
2.6
2.95
3
For the function g(x)=ax
2
+24 a is a constant and g(4)=8 What is the value of g(-4)
0
-1
-8
8
4
x
2
+y
2
=153 y=-4x If (x,y) is a solution to the system above, what is the value of x
2
?
9
144
-51
3
5
If 2/a-1 = 4/y and y ≠0 and where a ≠ 1 what is y in terms of a?
y=2a-4
y=2a-1/2
y=1/2a +1
y=2a-2
6
Do you feel ready for the SAT?
Yes!
SA... What?
No!
Sort of?
7
Which of the following is equal to (3-15i)(5+2i)
81+45
-69i-15
45-69i
45+69i
8
Now do you feel ready for the SAT?
YES!
Sure?
Never!
NO
9
If (ax+2)(bx+7)=15x
2
+cx+14 for all values of x, and a+b+8, what are the possible values for c?
10 and 21
31 and 41
3 and 5
6 and 45
10
which of the following is equal to (14-2i)(7+12i)
122+154i
122
74+154i
74
11
If -9/5<-3t+1<-7/4 what is what is the range of the value of 9t-3?
27/5 > 9t-3 > 21/4
???
27/5 < 9t-3 <21/4
-27/5 >9t -3 >-21/4
12
You have a sphere with the volume of 113.097cm. What is the radius
3m
27cm
3cm
9cm
13
If a
-1/2
=x, where a>0 and x>0, which of the following equations give a in terms x?
a = 1/√x
a = -x2
a = √x
a = 1/x2
14
If y=x
3
+2x+5 and z=x
2
+7x +1, what is 2y+z in terms of x?
2x3+2x2+18x+12
3x3+11x +11
2x3+x2+9x+6
2x3+x2+11x+11
15
Which of the following numbers is not a solution of the inequality 3x-5≥4x-3
-5
-2
-1
-3