Solving Equations for a Variable
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable y. 18x - 3y = 27
y = -6x + 9
y = -6x - 9
y = 6x + 9
y = 6x - 9
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable y. x/2 + y/5 = 1
y = -5/2 x + 5
y = 5/2 x + 5
y = -5/2 x + 2
y = -5/2 x + 1/2
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable r. d = r × t
r = d - t
r = t - d
r = t / d
r = d / t
Tags
CCSS.HSA.CED.A.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable p. i = p × r × t
p = i - r - t
p = r t / i
p = i / r t
p = ( i - r ) / t
Tags
CCSS.HSA.CED.A.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable r. C = 2πr
r = 2π / C
r = C - 2 - π
r = C - 2π
r = C / 2π
Tags
CCSS.HSA.CED.A.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable W. P = 2L + 2W
W = P/2 - 2L
W = P - 2L
W = (2L - P) / 2
W = (P - 2L) / 2
Tags
CCSS.HSA.CED.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rewrite this formula and solve for the variable C. F = 9/5 ⋅ C + 32
C = 5/9 ⋅ F + 32
C = 5/9 (F - 32)
C = 5/9 (F + 32)
C = 5/9 ⋅ F - 32
Tags
CCSS.HSA.CED.A.4
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