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WorksheetsAlg 2 First Q Rev EHS
Total questions: 14
Worksheet time: 19mins
Name
Class
Date
1.
What transformations exist: y = 3|x+2| - 4
a)
right 2, down 4, vertical shrink
b)
left 2, down 4, vertical stretch
c)
left 2 down 4, vertical shrink
d)
right 2, down 4, vertical stretch.
2.
State the solution
a)
(-2, -1)
b)
(-1, -2)
c)
(2, 1)
d)
(1, 2)
3.
|x + 4| = 9
a)
5
b)
5 and -13
c)
no solution
d)
all reals
4.
If you are multiplying matrices, and A is 5x2 and B is 2x3, what will the dimensions of the product be?
a)
5x2
b)
can't be multiplied
c)
2x2
d)
5x3
5.
-4x - 2y + 2z = 16
y = 4x + 16
-2x - y + z = 8
a)
(-4, 0, 0)
b)
Infinitely Many Solution
c)
(0, 0, -4)
d)
(0, -4, 0)
6.
x + 4y = 14
4x + 8y = 24
a)
(4, 2)
b)
(4, -2)
c)
(-4, -8)
d)
(-2, 4)
7.
5|5 + 5n| + 7 > 32
a)
n > 0 or n < -2
b)
n>5 or n < 2
c)
n > -2 or n < 0
d)
n < 0
8.
What transformations are taking place?
y = 2(x -1)2
a)
left 1, narrower
b)
right 1, narrower
c)
left 1, wider
d)
right 1, wider
9.
What is the equation of the graph below?
a)
f(x) = I x + 2 I
b)
f(x) = I x + 2 I +2
c)
f(x) = I x - 2 I +2
d)
f(x) = I x - 2 I
10.
What is the equation of the absolute value function?
a)
f(x)= |x+4|
b)
f(x)= |x-4|
c)
f(x)= |x| + 4
d)
f(x)= |x| - 4
11.
Which function is graphed?
a)
f(x) = 2|x + 2| -4
b)
f(x) = 2|x - 4| + 2
c)
f(x) = |x + 2| - 4
d)
f(x) = -2|x - 4|
12.
Which piecewise function corresponds to this graph? (Take your time)
a)
f(x) = { x if x < 4;
-x+1 if x ≥ 4
-x+1 if x ≥ 4
b)
f(x) = { x if x ≤ 4;
-x+1 if x > 4
-x+1 if x > 4
c)
f(x) = { -x+1 if x < 4;
x if x ≥ 4
x if x ≥ 4
d)
f(x) = { -x+1 if x ≤ 4;
x if x > 4
x if x > 4
13.
What is the domain of the graph?
a)
y≥1
b)
x ≥ 1
c)
All real numbers
d)
none of these
14.
What is the range of the graph?
a)
y≥1
b)
x≥1
c)
All real numbers
d)
none of these
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