Linear and quadratic inequalities

Linear and quadratic inequalities Quiz

Spec B5 · AQA A-Level Maths: Quiz

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5 questions, one answer each

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1. Solve $4-3x>13$ .
- A. $x>-3$
- B. $x<-3$
- C. $x<3$
- D. $x>3$
2. Solve $x^2-x-6\le0$ .
- A. $x\le-2$ or $x\ge3$
- B. $x\le-3$ or $x\ge2$
- C. $-3\le x\le2$
- D. $-2\le x\le3$
3. Which is the solution of $x^2>9$ ?
- A. $x>3$
- B. $-3<x<3$
- C. $x<-3$ or $x>3$
- D. $x>3$ or $x<3$
4. Solve $\frac{x+1}{2}-\frac{x-2}{3}\le2$ .
- A. $x\le5$
- B. $x\le7$
- C. $x\ge5$
- D. $x\le-1$
5. Which describes the solution of $x^2-6x+9\le0$ ?
- A. No solutions
- B. All real $x$
- C. $0\le x\le3$
- D. $x=3$ only