Starter quiz

  • For the linear equation y=5x-7, you can call y the __________ of the equation.
    • gradient
    • solution
    • subject  ✓
  • Which of the below are correct rearrangements of the formula V=a\times{l} ?
    • V=l\times{a}  ✓
    • l=a\times{V}
    • {V\over{l}}=a  ✓
    • {V\over{a}}=l  ✓
    • {l\over{V}}=a
  • Make y the subject of the equation 8y-3x=24.
    • 8y=3x+24
    • y={3\over8}x+24
    • y={3\over8}x+3  ✓
    • y=3x+24-7y
    • y={{3x+24}\over8}  ✓
  • Make e the subject of {{c+d}\over{e}}=f.
    • {{c+d}\over{f}}=e  ✓
    • f(c+d)=e
    • {{f}\over{c+d}}=e
    • e=cf+df
  • Make d the subject of {{c-d}\over{e}}=f.
    • {{c-f}\over{e}}=d
    • c-ef=d  ✓
    • ef-c=d
    • c+ef=d
  • Make a the subject of {5\over{a+b}}=c.
    • {5\over{c+b}}=a
    • {5c\over{b}}=a
    • {5c-{b}}=a
    • {5\over{c}}-b=a  ✓
    • {5\over{c}}+b=a
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