How many real solutions does x²=-36 have?
There are no real answers for this equation.This is because you would have to square root a negative number to solve the equation and that is a mathmatic impossibility.
HC
Related Maths KS3 answers
All answers ▸Solve the following equation: b - 6 = 13
Anton, Barbara and Clive are buying pens from the shop. Anton needs 4, Barbara needs 7, Clive needs 11. Pens only come in packs of 10. How many packs of pens do they need to buy between them?
A linear sequence starts a + 2b, a + 6b, a + 10b, …….. …….. The 2nd term has value 8. The 5th term has value 44. Work out the values of a and b.
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