Inequalities — Unit test

Question 1

A student solves the equation using the steps in the table. Original equationCross multiplicationDistributive propertySubtraction property of equality5 = xWhich method of solving for the variable could be used instead of cross multiplication?

Revolt · Accepted Answer

using the multiplication property of equality to multiply both sides of the equation by 10

Question 2

Kaitlyn can build a shed in 6 days. Mark can build the same shed in 8 days. Which equation can be used to find d, the number of days it would take Kaitlyn and Mark to build the shed together? Rate(Sheds per Day)Time(Days)Fraction CompletedKaitlynddMarkdd

Revolt · Accepted Answer

One-sixth d + one-eighth d = 1

Question 3

The area of a sector of a circle is given by the equation , where r is the radius of the circle and S is the angle measure of the sector. If Mia solved this equation for S, which of the following equations did she write?

Revolt · Accepted Answer

StartFraction 360 uppercase A Over pi r squared EndFraction

Question 4

What is the value of when and ?

Revolt · Accepted Answer

0

Question 5

Which represents the solution set of

Revolt · Accepted Answer

x less-than 12

Inequalities — Unit test Answers

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