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SAT Math Prep (with calculator)
SAT Math Prep (with calculator)
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1
Nat walks 25 m in 13.7 sec. If he walks at this same rate, which choice is closest to the distance he will walk in 4 min
700 m
150 m
1400 m
450 m
2
If 2w+4t=14 and 4w+5t=25, what is the value of 2w+3t?
10
17
13
6
3
In the xy-plane, the graph of the poly fn f crosses the x-axis at only 2 points, (a,0) and (b,0), where a and b are (+).
f(x)=(x-a)(x-b)
f(x)=(x+a)(x+b)
f(x)=(x-a)(x+b)
f(x)=x(x-a)(x-b)
4
If sin x°=a, which of the following must be true for all values of x?
cos (90-x°)=a
sin (x2)°=a
sin (90-x°)=a
cos x°=a
5
If f(x)=5x
2
-3 and f(x+a)=5x
2
+30x+42, what is the value a?
3
-3
30
-30
6
Which of the following values of x is NOT a solution to the equation below?
-4
0
3
1
7
If the fn.
f
has 5 distinct zeros, which of the following could represent the complete graph of
f
in the xy-plane?
A
B
D
C
8
What value of
x
satisfies the equation 3x+3=27?
3
10
8
27
9
Line
m
in the xy-plane contains the points (2,4) and (0,1). Which of the following is an equation of line
m
?
y=(3/2)x+3
y=2x+4
y=2x+3
y=(3/2)x+1
10
In the figure below, segment AD intersects segment BE at C. If x=100, what is the value of y?
90
100
80
60
11
Exponential function, y=h(x), has a y-int of
d
, where
d
is a pos. constant. Which could define the function
h
?
d(-x)3
h(x)=-3(d)x
h(x)=3(x)d
h(x)=d(3)x
12
If y=3x
2
+6x+2 is graphed in the xy-plane, which characteristic of the graph is displayed as a constant in the equation?
x-intercept of the line of symmetry
y-intercept
x-intercept(s)
y-coordinate of the vertex
13
If (2n/5)=10, what is the value of 2n-1?
99
24
49
50
14
If (3/5)w=(4/3), what is the value of w?
5/4
20/9
9/20
4/5
