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Pre-Algebra
Geometry
Online Self-Tests
(PA7)
1. Use the equation below. What is the unknown value of R?
y
+
1
=
x
–
1
x
–1
0
1
2
y
–3
–2
R
0
(1 point)
Answer:
2. Use the equation below. What is the unknown value of R?
y
=
2
x
–
3
x
–1
1
R
5
y
–5
–1
5
7
(1 point)
Answer:
3-4. Use the equation below. Fill in the missing coordinates.
y
–
1
=
2
x
+
1
x
–3
–2
–1
y
–6
–4
–2
(1 point each)
5-6. Use the equation below. Fill in the missing coordinates.
y
+
1
=
1
x
+
1
2
x
0
2
4
y
–2
0
2
(1 point each)
7-9. Use the graph below. What are the unknown values in the table?
x
6
y
–2
8
(1 point each)
10-12. Use the graph below. What are the unknown values in the table?
x
6
y
–4
2
(1 point each)
Answers
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