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Algebra & Functions Review Flashcards | StudBud
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Algebra & Functions Review
Algebra & Functions Review
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SAT algebra practice questions
Flashcards
28 cards
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Questions
28
Answers
1
Three times a number increasedby seventeen.
3a + 17
(17 +3)a
3(a + 17)
No possible answer
2
What is one value of x that satisfies the equation x
2
- 10x + 20 = -4
x = 4
x = 1
x = 2
x = 3
3
For what value of x is the equation true? 3= x-1/2x+3 ( / = fraction )
x = 2
x = 4
x = -2
x = -4
4
If y=8 what is y to the power of (2/3)?
4
14
16
8
5
28 x + (-8 x) = -12 x +____
24 x
32 x
8 x
-32 x
6
I 3x + 5 I = 8. Find all values of x which make make this equation true.
{ 4 1/3, -1 }
{ 4 1/3, -4 1/3 }
{ 1, -1 }
{ 1, -4 1/3 }
7
Solve ∛64
21.3
16
4
12
8
Solve... If 11+2a = 31. What is a?
7
8
10
5
9
Which of following could be the graph of y=-x^2-1?
D
C
B
A
10
X less than 5
5-x
X + 5
X- 5
No possible answer
11
49a
2
- 70a + 25 =
(7a+5) (7a-5)
(7a-5)2
(5a+7)2
(7-5)2
12
150=K(60)
60
5/2
5
10/5
13
Solve... If 64 = a, what is (√a + 2)/ 2
2
5
10
8
14
x & y vary directly, when x= 3 & y = 6, what is y when x = 10?
6 = y
20 = y
12 = y
16 = y
15
Translate the following into a equation "Jane buys one clown fish & two guppies for $3."
c+2g=3
2cg=3
2c+g=3
2+cg=3
16
Solve - 5x -7 < 28
x < 7
x < -5
x > 5
x > -7
17
How do you translate x less than 5 & 20 divided into a number y?
-5x & 20x
5-x & y/20
5x-x & 20/y
X-5 & 20/y
18
Jane has three dollars more than Tom.
T - 3= J
T + 3 = J
J - 3 =T
J + 3 =7
19
Solve x
8
∙ x
2 =
x6
x10
not here
x16
20
What is
a,
if - 3a -1 = 4 - 4a
8
4
5
7
21
Find x
2
5
10
7
22
15= (x/100)12. Find x.
125
500
75
10
23
Fifteen les than twice a number
2x-15
15-2x
All of the above
2x+15
24
If 3x+y=z, what is x in terms of y and z?
(3x)/2+y
None of the above
3x=z-y
(z-y)/3
25
If a+b=5 what is the value of 2a+2b?
20
10
15
30
26
What does "28 divided into number a" translate to...
a/28
28√a
28/a
a√28
27
If 6a + 3 = 57, what is 7a + 2a =
65
81
9
72
28
Convert into a mathematical expression... The average weight of the 5 children is 80.
a+b+c+d+e=80
(a+b+c+d+e)/5=80
5 x 80 = a+b+c+d+e
80/ a+b+c+d+e= 5
