Question 1Mid
What is the solution set of ?
Show answer
Answer: C —
is equivalent to . Adding 5 to all three parts gives . Dividing by 3 gives .
Study on the flyISEE UpperMathematics AchievementInequalities
Mathematics Achievement
On the ISEE Upper Mathematics Achievement section, Inequalities asks students to solve linear and absolute-value inequalities, rewrite an inequality in an equivalent form, and describe every value that satisfies a given statement.
A typical item presents a single-variable inequality and asks for the solution set, an equivalent inequality, or the inequality that describes all values of the unknown. Answer choices are usually other inequalities written in inequality notation.
A common trap is forgetting to reverse the sign when multiplying or dividing by a negative number; another is mishandling the two-sided meaning of an absolute-value comparison.
Pick an answer to see whether it is right — nothing is saved, and nothing needs an account.
Question 1Mid
What is the solution set of ?
Answer: C —
is equivalent to . Adding 5 to all three parts gives . Dividing by 3 gives .
Question 2Easier
Which inequality is equivalent to ?
Answer: A —
Subtracting 4 gives . Dividing by 3 gives .
Question 3Easier
If , which inequality describes all values of ?
Answer: B —
Subtract 7 from both sides to get , then divide by and flip the inequality sign (since dividing by a negative number) to get .
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