CPM Homework Help : INT1 Problem 11-65

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11-65.

Solve the inequalities below. Graph your solutions on number lines. Explain your steps for part (c).

Hint:

Look at problem 11-21 in Lesson 11.1.2, which is similar to this problem.

$6x − 1 < 11$
Hint (a):
Solve as an equation to find the boundary point.
Then check points in each region to determine which region is the solution.

$\frac{1}{3}x\ge2$
Hint (b):
Multiply by 3 to cancel out the fraction.

$9(x−2)>18$
Hint (c):
Distribute and then solve.

$5−\frac{x}{4}\le\frac{1}{2}$
Hint (d):
Multiply by a common factor to cancel out the fractions.

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