Representing inequalities graphically Quiz

1. Which describes the graph of $y<2x-3$?

• A. Solid line, shade above
• B. Solid line, shade below
• C. Dotted line, shade below
• D. Dotted line, shade above

2. Which inequality is satisfied by the point $(2,1)$?

• A. $y<x$
• B. $y>x+1$
• C. $y\ge2x$
• D. $y<x-2$

3. Which describes the region $y>x^2-4$?

• A. Below the curve, solid curve
• B. Above the curve, dotted curve
• C. Below the curve, dotted curve
• D. Above the curve, solid curve

4. Is the origin in the region $y\ge1-x^2$?

• A. Yes, because the origin lies on the $y$-axis
• B. Yes, because $0\ge1$
• C. It cannot be decided
• D. No, because $0\ge1-0^2$ is false

5. Which point lies in the region $x>2$ and $y\le x$?

• A. $(1,0)$
• B. $(3,4)$
• C. $(3,2)$
• D. $(2,1)$