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Pre-Algebra
Geometry
Online Self-Tests
(E13)
1. If
x
– 2 = –5, find the value of
x
2
.
(1 point)
Answer:
2. Evaluate the expression below if
x
× (–2) = 4.
2 × (
x
– 2)
(1 point)
Answer:
3. Evaluate the expression below if
x
= 2 and
y
= –12.
x
+
y
2
(1 point)
Answer:
4. Evaluate the expression below if
x
= –3 and
y
= –2.
2
x
–
2
y
(1 point)
Answer:
5. Evaluate the expression below if
x
= 24 and
y
= –3.
x
÷
y
(1 point)
Answer:
6. If
x
× 2 = –4 and
y
= 2, find the value of (
x
–
y
)
2
.
(1 point)
Answer:
Answers
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