Question 2
EasyOriginal questionIf , what is the value of ?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Subtract 3 from both sides: .
Multiply both sides by 4: .
Worth noting
8 is only , not . 2 comes from dividing 8 by 4 instead of multiplying.
- Concept
- Undoing operations in reverse order
- Typical timeTypical
- 40 s
- Your timeYours
- —
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Ten questions from Linear and Quadratic Equations, at your own pace.