WorksheetsHCA Unit 2 Review
Total questions: 10
Worksheet time: 19mins
Name
Class
Date
1.
The area of a rectangle is
(x2 + 17x+42) ft2.
If its width is (x + 3) ft.
What is its length?
(x2 + 17x+42) ft2.
If its width is (x + 3) ft.
What is its length?
a)
(x + 17) ft
b)
(x + 14) ft
c)
(x - 14) ft
d)
(x - 17) ft
2.
Solve n4-49n2=0
a)
n = 0, 7
b)
n = -7, 0, 7
c)
n = -7, 0
d)
n = -7, 7
3.
Factor:
x2 + 81
a)
Prime
b)
( x - 9 ) ( x + 9 )
c)
( x + 9 ) ( x + 9 )
d)
( x - 9 ) ( x - 9 )
4.
Factor
5x2-28x+32
5x2-28x+32
a)
(3x-10)(x+6)
b)
(x-8)(5x-4)
c)
(5x-8)(x-4)
d)
(5x-8)(x+7)
5.
Factor:
7r3-8r2+42r-48
a)
(r2+6)(7r+8)
b)
(r2+6)(7r-8)
c)
(r2+6)(r2+8)
d)
(r2+6)(7r+6)
6.
To solve by completing the square, what needs to be moved in this equation?
x2 = 9 - 4x
x2 = 9 - 4x
a)
the -4x
b)
the 9
c)
the x2
7.
What is one of the solutions to this equation?
(2x - 1)2 = 49
(2x - 1)2 = 49
a)
7
b)
-7
c)
-4
d)
-3
8.
Simplify -√-48
a)
4i√3
b)
-4i√3
c)
i√48
d)
-48i
9.
Simplify:
i79
a)
i
b)
1
c)
-1
d)
-i
10.
(-3i)(i)(5i)
a)
15i
b)
-15i
c)
-15i3
d)
15i3
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