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This printable supports Common Core Mathematics Standard HSA-CED.A.4

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# Literal Equations - Practice #2 (Grade 9)

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## Literal Equations - Practice #2

Instructions: Assume all variables are not equal to zero.

1.
Solve for $b$.
$-r= sb$
1. $-r/s$
2. $-rs$
3. $-r + s$
4. $s-(-r)$
2.
Solve the formula $(PV)/T=k$ for $V$.
1. $(Pk)/T=V$
2. $PTk=V$
3. $k/(PT)=V$
4. $(kT)/P=V$
5. $(k-T)/P=V$
3.
Solve the following formula for $w$.

$V=lwh$
1. $w=Vlh$
2. $w=l/(Vh)$
3. $w=V/(lh)$
4. $w=V+l+h$
4.
Given $P=2(l+w)$, solve for $l$.
1. $l = 2P+w$
2. $l = P/2+w$
3. $l=P/2-w$
4. $l=(w-P)/2$
5.
Given $V = pir^2h$, solve for $h$.
1. $h = V/(pir)$
2. $h = V/(pir^2)$
3. $h=sqrt(V/(pir))$
4. $h=sqrt(V/(pir^2))$
6.
Solve for $s. -6 = t+5s$
1. $s = -6-t-5$
2. $s = (-6-t)/5$
3. $s = (6+t)/5$
4. $s = -6-5t$
7.
Solve for $y$.
$ay-xy=z$
1. $z/(ay-x)$
2. $2y$
3. $z(a-x)$
4. $z/(a-x)$
8.
Given $A =P+Prt$, solve for $P$.
1. $P = (A - P)/(rt)$
2. $P = A/(1+rt)$
3. $P=A/(rt)$
4. $P=A/(1-t)$
9.
Given $A = 1/2(b_1+b_2)h$, solve for $b_1$.
1. $b_1=A/(2h)-b_2$
2. $b_1=(2A)/h-b_2$
3. Both a and b are correct
4. None of these are correct
10.
Given $A = pir^2$, solve for $r$.
1. $r = A/pi$
2. $r = +-sqrt(A/pi)$
3. $r = -sqrt(A/pi)$
4. $r = sqrt(A/pi)$
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