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sat prep algebra
sat prep algebra
22 terms
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#satmathalgebra sat prep with algebra focus
Flashcards
22 cards
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Questions
22
Answers
1
If (x + 1)^2 = 4 and (x − 1)^2 = 16, what is the value of x ? (lv5)
-3
1
3
-1
2
Simplify | - x
2
+ 4x - 4 |
=(x + 2)(x - 2)
0
= (x - 2)2
= (x + 2)2
3
√ 72 + √ 72 = m √ n. If m and n are integers such that m > n, what is value of m?
16
12
6
24
4
Which equation best describes the linear relationship between x and y in this table?
y = - x/4 + 4
y = - 4x - 4
y = - 4x + 4
y = - x/4 - 4
5
What are the solutions for the quadratic equation x
2
+ 6x = 16?
−2, 8
2, 8
−2, −8
2, −8
6
Solve |-2x + 2| -3 = -3
13
1
0
12
7
If 2x - 3 = 9, what is x
2
- 4x + 2?
26
36
14
32
8
For how many integers x does the expression x
2
- 4 < 36 hold true?
13
0
2
10
9
What is the equation of the line that has a slope of 4 and passes through the point (3,-10)?
y = 4x − 43
y = 4x + 22
y = 4x + 43
y = 4x − 22
10
The area of the rectangle below (base = x + 1 and height = x - 1) is
area = 2x2
area = 4(x+1)(x-1)
area = x2 - 1
area = 2(x+1) + 2(x-1)
11
If y - 2 is a positive integer, then y must be
positive
less than 2
even
odd
12
Which expression is equivalent to x
6
x
2
?
x9 x3
x4 x3
x5 x3
x7 x3
13
What is the next term in the geometric sequence 16, – 4, 1, –
1
/
4
, … ?
0
1/16
-1/8
1/8
14
If x
3
= 8, then x
6
=
36
4
16
64
15
If 2(x-3) = 14, what is x
2
- 6x + 9?
10
12
49
5
16
Given
1
/
3
x +
1
/
3
y = - 4 and
1
/
3
x -
1
/
3
y = -
2
/
3
, find the solution.
(-8,-4)
(7,-4)
-8,-5)
(-7,-5)
17
The y-intercept of the graph of 4x + 2y = 12 is
-4
6
12
-2
18
Which line given by its equation below contains the points (1, -1) and (3, 5)?
y = -3x + 4
y = 3x + 4
-2y - 6x = 0
2y = 6x - 8
19
The graph of y = 2x
2
− 2x + 3 intersects the x-axis how many times?
two
three
none
one
20
Solve
8
/
(5x)
+ 5 =
8
/
x
-
7
/
5
0
6
15
1
21
There are a total of 100 dimes and quarters. The total value is $14.05. How many quarters?
73
27
56
40
22
Factor the expression 6x
2
- 13x + 5
(3x - 5)(2x - 1)
Cannot be determined
(3x-3)(3x-7)
(2x-5)(3x-2)
