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Pre-Algebra
Geometry
Online Self-Tests
(E19)
1. If
x
– 4 = –6, find the value of
x
2
.
(1 point)
Answer:
2. Evaluate the expression below if
x
× (–3) = 15.
2 × (
x
– 3)
(1 point)
Answer:
3. Evaluate the expression below if
x
= 27 and
y
= –36.
x
+
y
2
(1 point)
Answer:
4. Evaluate the expression below if
x
= –4 and
y
= –5.
2
x
–
4
y
(1 point)
Answer:
5. Evaluate the expression below if
x
= 86 and
y
= –2.
x
÷
y
(1 point)
Answer:
6. If
x
× 8 = –72 and
y
= 6, find the value of (
x
+
y
)
2
.
(1 point)
Answer:
Answers
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