Grade 9 · Algebra & functions

Linear inequality situations practice

Linear inequality situations is a grade 9 math skill aligned to Common Core standard HSA.CED.A.1: create equations and inequalities in one variable and use them to solve problems. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 10 linear inequality situations problems our math games drill.

CCSS HSA.CED.A.110 questions in the bank
Sample questions

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Question 1easy

The maximum value for xx is 33 more than 55 times another number yy. Which inequality shows the possible values of xx?

A maximum means xx can be at most that value, so use \le. Five times yy plus 33 is 5y+35y + 3, giving x5y+3x \le 5y + 3.

Question 2easy

The minimum value of ww is 1212 less than twice another number nn. Which inequality shows the possible values of ww?

A minimum means ww must be at least that value, so use \ge. Twice nn minus 1212 is 2n122n - 12, giving w2n12w \ge 2n - 12.

Question 3easy

The minimum value of pp is 66 more than 44 times another number kk. Which inequality shows the possible values of pp?

A minimum means pp must be at least that value, so use \ge. Four times kk plus 66 is 4k+64k + 6, giving p4k+6p \ge 4k + 6.

Question 4easy

The maximum value of hh is 22 less than 55 times another number dd. Which inequality shows the possible values of hh?

A maximum means hh can be at most that value, so use \le. Five times dd minus 22 is 5d25d - 2, giving h5d2h \le 5d - 2.

Question 5medium

The maximum value of cc is 1515 more than 77 times another number nn. Which inequality shows the possible values of cc?

A maximum means cc can be at most that value, so use \le. Seven times nn plus 1515 is 7n+157n + 15, giving c7n+15c \le 7n + 15.

Question 6medium

The minimum value of tt is 33 less than twice another number mm. Which inequality shows the possible values of tt?

A minimum means tt must be at least that value, so use \ge. Twice mm minus 33 is 2m32m - 3, giving t2m3t \ge 2m - 3.

Question 7medium

Twice a number nn is no more than 1818. Which inequality shows the possible values of nn?

Twice nn is 2n2n. No more than 1818 means 2n182n \le 18.

Question 8medium

The maximum value of xx is 77 less than 44 times another number yy. Which inequality shows the possible values of xx?

A maximum means xx can be at most that value, so use \le. Four times yy minus 77 is 4y74y - 7, giving x4y7x \le 4y - 7.

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