# McGraw Hill Math Grade 7 Lesson 17.2 Answer Key Understanding Inequalities

Exercises

EXPLAIN

Put into words what each expression is describing.

Question 1.
3x < 6
The given expression 3x < 6 describes three times a number is less than six.

Question 2.
p – 1 > 5
The given expression p – 1 > 5 describes a number minus one is greater than five.

Question 3.
y ≤ 4
The given expression y ≤ 4 describes a number is less than or equal to four.

Question 4.
s2 ≥ 25
The given expression s2 ≥ 25 describes a square of a number is greater than or equal to twenty-five.

Question 5.
$$\frac{f}{5}$$ < 63
The given expression $$\frac{f}{5}$$ < 63 describes a number divided by five is less than sixty-three.

Question 6.
w + 9 < 12
The given expression w + 9 < 12 describes a number plus nine is less than twelve.

Question 7.
643 < d + g
The given expression 643 < d + g describes six hundred forty-three is less than the sum of two numbers.

Question 8.
z + 2 ≤ 15