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SAT Math
15 terms
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StudBud Administration
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Review of math concepts through problems from Practice Test 1.
Flashcards
15 cards
F
Practice quiz
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Host live
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Questions
15
Answers
1
If
a
= 5√2 and 2
a
= √2x, what is the value of x?
10
25
50
100
2
If 16 + 4x is 10 more than 14, what is the value of 8x?
2
6
80
16
3
Which of the following is equivalent to the expression: (x
2
y - 3y
2
+ 5xy
2
) - (-x
2
y + 3xy
2
- 3y
2
)
2x2y + 2xy2
8xy2 - 6y2
2x2y + 8xy2 - 6y2
4x2y2
4
If (x-1) ÷ 3 = k and k = 3, what is the value of x?
10
9
2
4
5
If
y = kx
, where
k
is a constant, and y = 24 when
x = 6
, what is the value of
y
when
x = 5
.
15
20
6
23
6
Ted sent
m
texts per hr for 5 hrs, and Ty sent
p texts
per hr for 4hrs. Equation for total is?
4m + 5p
9mp
5m + 4p
20mp
7
If 3x - y = 12, what is the value of 8
x
÷ 2
y?
82
44
The value cannot be determined from the information given.
212
8
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
9
If t > 0 and t
2
- 4 = 0, what is the value of t?
6
12
4
2
10
If a÷b = 2, what is the value of 4b ÷ a?
1
4
0
2
11
x + y = -9 and x + 2y = -25. According to the system of equations, what is the value of x?
15
7
9
3
12
Which of the following numbers is NOT a solution of the inequality 3x - 5 ≥ 4x - 3 ?
-5
-2
-1
-3
13
Which is an equation of a circle with center (0,4) and a radius with endpoint (4/3 , 5 )?
x2 + (y - 4)2 = 25/9
x2 + (y + 4)2 = 3/5
x2 + (y + 4)2 = 25/9
x2 + (y - 4)2 = 5/3
14
For i = √-1, what is the sum (7+3i) + (-8 + 9i)?
15 + 6i
15 + 12i
-1 + 12i
-1 - 6i
15
3x + 4y = -23 and 2y-x = -19. What is the solution (x,y) to the system of equations?
(3, -8)
(9, -6)
(-5, -2)
(4, -6)
