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SAT Math Prep Heart of Algebra Flashcards | StudBud
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SAT Math Prep Heart of Algebra
SAT Math Prep Heart of Algebra
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SAT Prep Heart of Algebra
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
If the line y=mx+4 contains the point (c,d), what is the slope of the line in terms of c & d?
(4-c)/d
(c-4)/d
(d-4)/c
(4-d)/c
2
If f(x)=-2x+5, what is f(-3x)
6x-5
6x2-15x
6x+5
-6x-5
3
The parabola y=(x-11)
2
intersects line y=25 at 2 points A & B. What is the length of line AB?
10
12
14
16
4
If 5/x=15/(x+20), what is the value of x/5?
10
2
1/2
5
5
The expression (5x-2)/(x+3) is equivalent to which expression below?
5-(2/3)
(5-2)/3
5-(2/(x+3))
5-(17/(x+3))
6
Which has a graph for which y is always greater than or equal to -1?
y=x3-2
y=x-1
y=x2-2
y=(x-2)2
7
If (x,y) is the solution to the system 2x-3y=-14 & 3x-2y=-6, what is the value of x-y?
-4
8
-20
-8
8
What is the sum of all values of m that satisfy 2m
2
-16m+8=0
-4
4
-8
8
9
An initial $ amount of 325 depreciates by 13% per year. Which states the amount after
t
years?
f(t)=325+13t
f(t)=325-13t
f(t)=325(1.13)t
f(t)=325(.87)t
10
Give all possible solutions from the list below to x
3
(x
2
- 5)=-4x
1
2
3
0
11
In the equation R=F/(N+F), which expresses F in terms of N and R?
F=RN/(1-R)
F=N/(1-R)
F=RN/(N-1)
F=N/(R-1)
12
Which of the following is equivalent to 9a
4
+12a
2
b
2
+4b
2
?
(3a2+2b2)2
(9a2+4b2)2
(9a+4b)4
(3a+2b)4
13
y=a(x-2)(x+4) is a parabola with vertex (c,d). Which of the following is equal to d?
-8a
-9a
-2a
-5a
14
In the system kx-3y=4 & 4x-5y=7, for what value of k will the system have no solution?
16/7
-16/7
-12/5
12/5
15
If 2x(3x+5)+3(3x+5)=ax
2
+bx+c, and a, b, and c are constants, what is the value of b?
16
18
19
17
16
If 3r = 18, what is the value of 6r + 3?
36
39
6
27
