AnswersAlgebra III AQuadratic Inequalities

Writing Two-Variable Quadratic Inequalities Answers

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1
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Which inequality represents the graph?

A
y > –x2 – 2x – 1
B
y < –x2 – 2x – 1
C
y ≥ –x2 – 2x – 1
D
y ≤ –x2 – 2x – 1
2
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a =

A
–0.75
B
–1.3
C
0.5
D
0.75
3

c =

A
–12
B
–4
C
3
D
9
4

k =

A
0.5
B
1
C
7
5

Which inequality represents the graph?

A
Option
B
Option
C
Option
D
Option
6

y the boundary line.

A
>
B
<
C
≤
D
≥
7

The inequality is because testing the point (4, 20) simplifies to the inequality .

A
4 < –5,400
B
20 < 60
C
20 < –60
8

The inequality is because testing the point (4, 20) simplifies to the inequality .

A
4 < –5,400
B
20 < 60
C
20 < –60
9

Which quadratic inequality includes all values less than those represented by a quadratic function with a vertex of (5, –3) and containing the point (0, –8)?

A
Option
B
Option
C
Option
D
Option
10

y a(x – h)2 + k

A
>
B
<
C
≤
D
≥
11

b =

A
–12
B
–4
C
3
D
9
12

a =

A
–6.5
B
–3
C
6.5
13

h =

A
0.5
B
1
C
7

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