Teacher edition (with key)← Equations and inequalities (one step)

Equations and inequalities (one step)

Advanced Math 6 · Unit 9 · one-step-equations-inequalities

one-step-equations-inequalities

Name ______________________________Date ______________

1.
Solve $x + 7 = 10$ .
Answer: ______________
2.
Solve $x - 3.5 = 1.2$ .
Answer: ______________
3.
Solve $4x = 18$ .
Answer: ______________
4.
Which describes the graph of $x \ge 2$ on a number line?
1. (A)
  An open circle at $2$ with an arrow pointing left
2. (B)
  A closed circle at $2$ with an arrow pointing right
3. (C)
  An open circle at $2$ with an arrow pointing right
4. (D)
  A closed circle at $2$ with an arrow pointing left
5.
To ride the roller coaster you must be more than $2$ inches tall. Let $h$ be a rider's height in inches. Which inequality must be true?
1. (A)
  $h \ge 48$
2. (B)
  $h > 48$
3. (C)
  $h < 48$
4. (D)
  $h \le 48$