Expressions, formulae and equations

Inequalities

Name: ______________________________Date: ______________Score: ______ / 20

1.
What does x > 17 mean?
1. Ax is greater than 17
2. Bx is less than 17
3. Cx equals 17
2.
What is the largest whole number that satisfies y < 9?
3.
18 satisfies the inequality y < 16.
True False
4.
On a number line, how do you show y < 14?
1. Aan open circle at 14 with an arrow pointing left
2. Ban open circle at 14 with an arrow pointing right
3. Ca filled circle at 14 with an arrow pointing left
5.
Why is the circle at 14 drawn OPEN for x > 14?
1. Abecause 14 itself is not included
2. Bbecause 14 is included
3. Cbecause it is a small number
6.
What does y < 13 mean?
1. Ay is greater than 13
2. By is less than 13
3. Cy equals 13
7.
14 satisfies the inequality x > 8.
True False
8.
On a number line, how do you show y < 11?
1. Aan open circle at 11 with an arrow pointing right
2. Ban open circle at 11 with an arrow pointing left
3. Ca filled circle at 11 with an arrow pointing left
9.
What is the smallest whole number that satisfies x > 9?
10.
16 satisfies the inequality x > 7.
True False
11.
On a number line, how do you show y < 10?
1. Aan open circle at 10 with an arrow pointing right
2. Ba filled circle at 10 with an arrow pointing left
3. Can open circle at 10 with an arrow pointing left
12.
Why is the circle at 5 drawn OPEN for x > 5?
1. Abecause 5 is included
2. Bbecause it is a small number
3. Cbecause 5 itself is not included
13.
What is the smallest whole number that satisfies x > 10?
14.
21 satisfies the inequality y < 13.
True False
15.
On a number line, how do you show x > 10?
1. Aan open circle at 10 with an arrow pointing right
2. Ba filled circle at 10 with an arrow pointing right
3. Can open circle at 10 with an arrow pointing left
16.
Why is the circle at 11 drawn OPEN for x > 11?
1. Abecause 11 itself is not included
2. Bbecause 11 is included
3. Cbecause it is a small number
17.
What does x > 18 mean?
1. Ax is less than 18
2. Bx is greater than 18
3. Cx equals 18
18.
What is the largest whole number that satisfies y < 20?
19.
20 satisfies the inequality y < 6.
True False
20.
What does y < 2 mean?
1. Ay is greater than 2
2. By equals 2
3. Cy is less than 2

Answer key

Expressions, formulae and equations — Inequalities

1.A. x is greater than 17
2.8
3.False
4.A. an open circle at 14 with an arrow pointing left
5.A. because 14 itself is not included
6.B. y is less than 13
7.True
8.B. an open circle at 11 with an arrow pointing left
9.10
10.True
11.C. an open circle at 10 with an arrow pointing left
12.C. because 5 itself is not included
13.11
14.False
15.A. an open circle at 10 with an arrow pointing right
16.A. because 11 itself is not included
17.B. x is greater than 18
18.19
19.False
20.C. y is less than 2