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Unit 1 Assessment
By Robert Grieser
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Last updated over 5 years ago
12 questions
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1
1
1
2
1
1
1
2
2
5
4
5
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Factor: x
2
- 81
Question 8
8.
Written as ordered pairs, what are the zeros of the function graphed below?
Question 9
9.
State the domain and the range of the function graphed below.
Question 10
10.
Solve the equation x
2
+ 5x - 24 = 0 using factoring.
visibility
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Question 11
11.
What are the exact solutions of the equation 0 = 3x
2
+ 2x - 7? Show all of your work.
visibility
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Question 12
12.
What are the roots of the equation y = x
2
+ 8x - 20? Show all of your work to earn full credit.
visibility
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Which expression is equivalent to (2x - 9)
2
?
4x
2
- 81
4x
2
+ 81
4x
2
- 36x - 81
4x
2
- 36x + 81
Expand: (2x
2
+ 4)(x + 5)
2x
3
+10x
2
+ 4x + 20
2x
2
+ 10x
2
+ 4x + 20
3x
2
+ 10x
2
+ 4x +20
3x
3
+ 10x
2
+ 4x + 20
Factor: x
2
+ 2x - 63
(x - 7)(x - 9)
(x + 7)(x +9)
(x - 7)(x + 9)
(x + 7)(x - 9)
An area model is shown to represent the multiplication of two binomials.
Which of the expressions does the diagram represent? Select
all
that apply.
(a + 5)(a - 10)
a
2
+ 10a + 5a - 50
a
2
+ 15a - 50
a
2
- 5a - 50
What is (2a + 3)(2a - 3) written in standard form?
4a
2
- 9
4a
2
+ 9
4a
2
+ 12a + 9
4a
2
- 12a + 9
Rewrite (9x
2
+ 3x - 4) - (2x
2
- 7x + 9) as a trinomial in standard form.
7x
2
- 4x + 5
7x
2
+ 10x - 13
11x
2
- 4x + 5
11x2 + 10x - 13