Rearranging formulae

Rearranging formulae Quiz

IB MYP Maths Standard: Quiz

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5 questions, one answer each

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  1. 1. Make xx the subject of y=3x+5y=3x+5.

    • A. x=3y−5x=3y-5
    • B. x=y−53x=\frac{y-5}{3}
    • C. x=y3−5x=\frac{y}{3}-5
    • D. x=y+53x=\frac{y+5}{3}

  2. 2. Make aa the subject of P=2(a+b)P=2(a+b).

    • A. a=2P−ba=2P-b
    • B. a=P−2ba=P-2b
    • C. a=P−b2a=\frac{P-b}{2}
    • D. a=P2−ba=\frac{P}{2}-b

  3. 3. Make rr the subject of A=πr2A=\pi r^2.

    • A. r=Aπr=\sqrt{\frac{A}{\pi}}
    • B. r=Aπr=\frac{A}{\pi}
    • C. r=Aπr=\frac{\sqrt{A}}{\pi}
    • D. r=A2πr=\frac{A}{2\pi}

  4. 4. Make xx the subject of y=x+4y=\sqrt{x}+4.

    • A. x=y2−4x=y^2-4
    • B. x=y−4x=\sqrt{y-4}
    • C. x=(y−4)2x=(y-4)^2
    • D. x=y2−16x=y^2-16

  5. 5. Make mm the subject of E=12mv2E=\frac12mv^2.

    • A. m=E2v2m=\frac{E}{2v^2}
    • B. m=2Ev2m=\frac{2E}{v^2}
    • C. m=2Ev2m=2Ev^2
    • D. m=2Evm=\frac{2E}{v}

Quiz