Subtract Using Additive Inverse
Middle School Math · Flashcards · Recall
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
Which is always true for distance:
∣
a
−
b
∣
|a-b|
∣
a
−
b
∣
or
a
−
b
a-b
a
−
b
? Choose the correct expression.
QUESTION
State the formula for the distance between two rational numbers
a
a
a
and
b
b
b
on a number line.
QUESTION
Identify the sign change when subtracting a number
q
q
q
: what happens to
q
q
q
in
p
−
q
p-q
p
−
q
?
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ANSWER
q
q
q
becomes
−
q
-q
−
q
. When subtracting, the sign changes to its opposite.
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