Linear, Quadratic, Exponential, Spiral Review

Which points below are part of the solution set?

HINT: which points are in the shaded area

• yes

• (5, 1)

• yes

• (20, -5)

• no

• (0, 0)

• yes

• (-1, -3)

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

What does an open circle mean?

• The number is opened.

• The number is part of the solution.

• The number is NOT part of the solution.

• It's just a shape, all points are equidistant from the center of the circle.

What does a closed circle mean?

• It means it is dark.

• The number is part of the solution.

• The number is NOT part of the solution.

• It's just a circle, all points are equidistant from the center of the circle.

Match the inequality statement with its symbol.

• at least

• less than

• greater than

• no more than

Would you use a closed or open circle to graph x < 3?

• Closed
• Open

Identify the inequality.

• y > 2

• y ≤ 1

• x ≥ 2

• y ≥ 1

Which inequality represents the graph?

• x ≤ -2

• x + 2y ≤ 6

• y ≤ -2x

• y < -2

Which inequality represents the graph?

• x ≥ -2

• y ≥ -2

• y > -2x

• y < -1/2x + 3