Solving for a Variable in Formulas
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
Card 1
of 12
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
Use
A
=
l
w
A = lw
A
=
l
w
to find
l
l
l
when
A
=
48
A = 48
A
=
48
and
w
=
6
w = 6
w
=
6
.
QUESTION
Use
P
=
2
l
+
2
w
P = 2l + 2w
P
=
2
l
+
2
w
to find
w
w
w
when
P
=
30
P = 30
P
=
30
and
l
=
9
l = 9
l
=
9
.
QUESTION
Solve
d
=
r
t
d = rt
d
=
r
t
for
t
t
t
.
Tap to flip before you grade
ANSWER
t
=
d
r
t = \frac{d}{r}
t
=
r
d
. Divide both sides by
r
r
r
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card