Solve Equations with Multiplicative Inverse
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine whether the matrices are multiplicative inverses.
Yes
No
Elevator
Pi
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation. Check your solution.
5/3 or 1 2/3
243/125 or 1 118/125
1.944
-5/3 or -12/3
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation. Check your solution.
2
1/2
31
62
Tags
CCSS.6.EE.B.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1.5
6
-6
-1.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
m=3
m=-4
m=-1
All real numbers
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What should be multiplied to -3/16 to get 8/13?
128/39
-128/39
39/128
-39/128
Answer explanation
Let the number to be multiplied is y So, -3y/16 = 8/13 Using cross-multiplication, we get, -3y(13) = 16 × 8 i.e. -39y = 128 i.e. y = 128/(-39) i.e. y = -128/39 Hence, option 2 is correct.
Tags
CCSS.6.NS.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.6.EE.B.7
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